CN102999973B - The implementation method of a kind of NFC and mobile terminal - Google Patents
The implementation method of a kind of NFC and mobile terminal Download PDFInfo
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- CN102999973B CN102999973B CN201110267899.XA CN201110267899A CN102999973B CN 102999973 B CN102999973 B CN 102999973B CN 201110267899 A CN201110267899 A CN 201110267899A CN 102999973 B CN102999973 B CN 102999973B
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Abstract
The present invention discloses implementation method and the mobile terminal of a kind of NFC, and the method includes: the NFC ambient condition of detection mobile terminal, when mobile terminal is swiped the card, and when having SIM read-write requests, forbids the read-write operation that SIM is current.According to technical scheme, it is possible to avoid because the read-write operation of SIM affects the operation failure of swiping the card of NFC in mobile terminal.
Description
Technical field
The present invention relates to the NFC technique of mobile terminal, particularly relate to implementation method and the mobile terminal of a kind of NFC.
Background technology
Nowadays the mobile-phone payment life entering people the most slowly, as long as there being one to have close range wireless communication
The mobile phone of (NFC, Near Field Communication) function, usually trip need the mass transit card of use, bank card, credit
Card can completely be had a rest, and NFC technique can solve the difficult problem of all.Now NFC mainly has two kinds of standards, i.e. 2.5GHz and
13.56MHz；Wherein, 2.5GHz is mainly used in financial field, and 13.56MHz is used in the environment closed, such as mass transit card, meal
Card etc..Promote mainly before operator intention is the scheme of 13.56MHz, and NFC function is integrated in SIM by the program, and mobile phone has only to
The antenna providing NFC just can complete the function swiped the card.Such design can effectively reduce the design complexities of NFC, convenient
The popularization of technology.But, in SIM during integrated NFC function, only define interface, inside do not implemented and do
Go out explicitly stated, so different SIM business often takes different schemes when implementing NFC function, the most domestic certain
The card of the integrated NFC function that well-known SIM manufacturer is produced, cannot be carried out swiping the card normally, i.e. when carrying out SIM operation
The read-write operation of SIM and the operation of swiping the card of NFC function cannot be concurrent, and the read-write operation priority of SIM is higher than NFC function
Operation of swiping the card.So, SIM user in use probably due to mobile phone to SIM operation and causing NFC to swipe the card unsuccessfully,
And user also cannot understand NFC and swipe the card the reason of failure, so brings the most bad Consumer's Experience.
Summary of the invention
In view of this, present invention is primarily targeted at implementation method and the mobile terminal of a kind of NFC is provided, it is possible to avoid
Because the read-write operation of SIM affects the operation failure of swiping the card of NFC in mobile terminal.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The present invention provides a kind of mobile terminal, including: NFC environment monitoring module and SIM access module；Wherein,
NFC environment monitoring module, for detecting the NFC ambient condition of mobile terminal；
SIM access module, is used for when described NFC ambient condition is that mobile terminal is swiped the card, and has SIM read-write to ask
When asking, forbid the read-write operation that SIM is current.
In above-mentioned mobile terminal,
SIM access module, be additionally operable to when described NFC ambient condition be mobile terminal do not swipe the card time, carry out SIM
Read-write operation；
SIM access module, be additionally operable to when described NFC ambient condition be mobile terminal swipe the card time, it may be judged whether have
SIM read-write requests；When there is no SIM read-write requests, it is additionally operable to move the operation of swiping the card of terminal.
The present invention also provides for the implementation method of a kind of NFC, including:
The NFC ambient condition of detection mobile terminal, when mobile terminal is swiped the card, and when having SIM read-write requests, forbids
The read-write operation that SIM is current.
In said method, the method also includes: when mobile terminal is not swiped the card, and carries out the read-write operation of SIM.
In said method,
When mobile terminal is swiped the card, the method also includes: determine whether SIM read-write requests；
The method also includes: without SIM read-write requests, move the operation of swiping the card of terminal.
In said method, the NFC ambient condition of described detection mobile terminal is:
The NFC environment monitoring module of mobile terminal detects the NFC ambient condition that mobile terminal is current in real time, it is judged that mobile whole
End is the most swiped the card, and mobile terminal the most carries out the NFC ambient condition swiped the card, and reports mobile terminal
SIM access module.
In said method, the NFC environment monitoring module of described mobile terminal detects the NFC environment that mobile terminal is current in real time
State, it is judged that mobile terminal the most carry out swiping the card into:
In NFC environment monitoring module, mid frequency is that the ambient signal detected is entered by the band filter of 13.56MHz
Row filtering, the reference signal of the ambient signal after filtered and locally generated 13.56MHz will be compared by descriminator, will
The difference degree of signal exports to loop filter with the form of analogue signal, and this analogue signal turns through loop filtering and AD
After changing, if difference degree is less than the threshold value preset, then current NFC environment exists the frequency signal of 13.56MHz, mobile whole
Rectify and swiping the card, otherwise, current NFC environment does not exist the frequency signal of 13.56MHz, mobile terminal is not brushed
Card.
In said method, the described NFC ambient condition the most carrying out mobile terminal swiping the card, report mobile terminal
SIM access module be:
NFC environment monitoring module is by exporting to the low and high level signal of SIM access module, by mobile terminal the most just
SIM access module is reported at the NFC ambient condition swiped the card.
In said method, described in forbid that the current read-write operation of SIM is:
SIM read module forbids the read-write operation that SIM is current, moves until receiving expression from NFC environment monitoring module
The signal that dynamic terminal is the most being swiped the card, then the read-write operation authority of open SIM card.
The implementation method of the NFC that the present invention provides and mobile terminal, the NFC ambient condition of detection mobile terminal, work as movement
Terminal is swiped the card, and when having SIM read-write requests, forbids the read-write operation that SIM is current, it is possible to avoid the reading because of SIM
Write operation affects the operation failure of swiping the card of NFC in mobile terminal.
Accompanying drawing explanation
The structural representation of Fig. 1 mobile terminal of the present invention；
Fig. 2 is the schematic flow sheet that the present invention realizes the implementation method of NFC；
Fig. 3 is the structural representation of NFC environment monitoring module of the present invention.
Detailed description of the invention
The basic thought of the present invention is: the NFC ambient condition of detection mobile terminal, when mobile terminal is swiped the card, and has
During SIM read-write requests, forbid the read-write operation that SIM is current.
Below by drawings and the specific embodiments, the present invention is described in further detail again.
The present invention provides a kind of mobile terminal, and the structural representation of Fig. 1 mobile terminal of the present invention, as it is shown in figure 1, this moves
Terminal includes: NFC environment monitoring module 11 and SIM access module 12；Wherein,
NFC environment monitoring module 11, for detecting the NFC ambient condition of mobile terminal；
SIM access module 12, is used for when described NFC ambient condition is that mobile terminal is swiped the card, and has SIM to read and write
During request, forbid the read-write operation that SIM is current.
SIM access module 12, be additionally operable to when described NFC ambient condition be mobile terminal do not swipe the card time, carry out SIM
Read-write operation；
SIM access module 12, be additionally operable to when described NFC ambient condition be mobile terminal swipe the card time, it may be judged whether
There is SIM read-write requests；When there is no SIM read-write requests, it is additionally operable to move the operation of swiping the card of terminal.
Based on above-mentioned mobile terminal, the present invention also provides for the implementation method of a kind of NFC, and Fig. 2 is the reality that the present invention realizes NFC
The schematic flow sheet of existing method, as in figure 2 it is shown, the method comprises the following steps:
Step 201, the NFC ambient condition of detection mobile terminal, if swiped the card, perform step 202, without brush
Card, performs step 203；
Concrete, the NFC environment monitoring module of mobile terminal is in circulation duty, and detection mobile terminal is current in real time
NFC ambient condition, it is judged that mobile terminal is the most swiped the card, and mobile terminal the most carries out the NFC swiped the card
Ambient condition, reports the SIM access module of mobile terminal, if swiped the card, performs step 202, without swiping the card,
Perform step 203；
Wherein, as it is shown on figure 3, the detection method of NFC environment monitoring module is to judge whether exist in current NFC environment
The frequency signal of 13.56MHz, in NFC environment monitoring module, mid frequency is that the band filter of 13.56MHz is able to detect that
The ambient signal that in mobile terminal, NFC antenna is coupled to, ambient signal is filtered by band filter, filtered after environment
The reference signal of signal and locally generated 13.56MHz is input to descriminator in the lump；Above-mentioned two signal will be carried out by descriminator
Relatively, and exporting to loop filter by the difference degree of signal with the form of analogue signal, this analogue signal is filtered through loop
After the loop filtering of ripple device and the conversion of a/d converter, if difference degree is less than the threshold value preset, then it is assumed that current NFC ring
There is the frequency signal of 13.56MHz in border, mobile terminal is swiped the card, otherwise, it is believed that current NFC environment does not exists
The frequency signal of 13.56MHz, mobile terminal is not swiped the card；NFC environment monitoring module accesses mould by output to SIM
The low and high level signal of block, the NFC ambient condition the most swiped the card by mobile terminal reports SIM access module；
Here, NFC environment monitoring module sends signal to SIM access module, can be send in real time, the cycle send or
Event-triggered sends.
Step 202, it may be judged whether have SIM read-write requests, if it did not, perform step 204, if it has, perform step
205；
Concrete, if from the signal that NFC environment monitoring module receives, SIM access module represents that mobile terminal is brushed
Card, then SIM access module judges whether to receive SIM read-write requests from the high-rise module of mobile terminal, without receipts
Arriving, perform step 204, if received, performing step 205.
Step 203, carries out the read-write operation of SIM；
Concrete, if SIM access module is the most just representing mobile terminal from the signal that NFC environment monitoring module receives
Swiping the card, then SIM access module carries out normal read-write operation.
Step 204, moves the operation of swiping the card of terminal；
Concrete, SIM read module controls to move the normal swipe operation of the NFC of terminal.
Step 205, forbids the read-write operation that SIM is current；
Concrete, SIM read module forbids the read-write operation that SIM is current, until receiving from NFC environment monitoring module
After representing the operation of swiping the card that the signal that mobile terminal is the most being swiped the card, i.e. mobile terminal complete NFC, then the reading of open SIM card
Write operation authority.
The above, only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention, all
Any amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, should be included in the protection of the present invention
Within the scope of.
Claims (9)
1. a mobile terminal, it is characterised in that this mobile terminal includes: NFC environment monitoring module and SIM access module；
Wherein,
NFC environment monitoring module, for detecting the NFC ambient condition of mobile terminal；
SIM access module, is used for when described NFC ambient condition is that mobile terminal is swiped the card, and has SIM read-write requests
Time, forbid the read-write operation that SIM is current；Be additionally operable to when described NFC ambient condition be mobile terminal swipe the card time, it is judged that be
No have SIM read-write requests, when not having SIM read-write requests, is additionally operable to move the operation of swiping the card of terminal.
Mobile terminal the most according to claim 1, it is characterised in that
SIM access module, be additionally operable to when described NFC ambient condition be mobile terminal do not swipe the card time, carry out the read-write of SIM
Operation.
3. the implementation method of a NFC, it is characterised in that the method includes:
The NFC ambient condition of detection mobile terminal, when mobile terminal is swiped the card, and when having SIM read-write requests, forbids SIM
Block current read-write operation；
When mobile terminal is swiped the card, the method also includes: determine whether SIM read-write requests；Read without SIM
Write request, moves the operation of swiping the card of terminal.
Method the most according to claim 3, it is characterised in that the method also includes: when mobile terminal is not swiped the card, enter
The read-write operation of row SIM.
Method the most according to claim 4, it is characterised in that
When mobile terminal is swiped the card, the method also includes: determine whether SIM read-write requests；
The method also includes: without SIM read-write requests, move the operation of swiping the card of terminal.
Method the most according to claim 3, it is characterised in that the NFC ambient condition of described detection mobile terminal is:
The NFC environment monitoring module of mobile terminal detects the NFC ambient condition that mobile terminal is current in real time, it is judged that mobile terminal is
No swipe the card, and mobile terminal is the most carried out the NFC ambient condition swiped the card, report the SIM of mobile terminal
Card access module.
Method the most according to claim 6, it is characterised in that the NFC environment monitoring module of described mobile terminal is examined in real time
Survey the current NFC ambient condition of mobile terminal, it is judged that mobile terminal the most carry out swiping the card into:
In NFC environment monitoring module, mid frequency is that the ambient signal detected is filtered by the band filter of 13.56MHz
Ripple, the reference signal of the ambient signal after filtered and locally generated 13.56MHz will be compared, by signal by descriminator
Difference degree export to loop filter with the form of analogue signal, this analogue signal is through loop filtering and AD conversion
After, if difference degree is less than the threshold value preset, then current NFC environment exists the frequency signal of 13.56MHz, mobile terminal
Swipe the card, otherwise, current NFC environment does not exist the frequency signal of 13.56MHz, mobile terminal is not swiped the card.
Method the most according to claim 6, it is characterised in that the described NFC the most carrying out mobile terminal swiping the card
Ambient condition, the SIM access module reporting mobile terminal is:
Mobile terminal to the low and high level signal of SIM access module, is the most brushed by NFC environment monitoring module by output
The NFC ambient condition of card reports SIM access module.
Method the most according to claim 3, it is characterised in that described in forbid that the current read-write operation of SIM is:
SIM read module forbids the read-write operation that SIM is current, until it is mobile eventually to receive expression from NFC environment monitoring module
The signal that end is the most being swiped the card, then the read-write operation authority of open SIM card.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110267899.XA CN102999973B (en) | 2011-09-09 | The implementation method of a kind of NFC and mobile terminal | |
| PCT/CN2011/081861 WO2012151884A1 (en) | 2011-09-09 | 2011-11-07 | Nfc implementation method and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110267899.XA CN102999973B (en) | 2011-09-09 | The implementation method of a kind of NFC and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102999973A CN102999973A (en) | 2013-03-27 |
| CN102999973B true CN102999973B (en) | 2016-12-14 |
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| CN1625291A (en) * | 2003-12-01 | 2005-06-08 | 索尼爱立信移动通信日本株式会社 | Method of preventing access to a subscriber identity module and a mobile communication terminal device |
| WO2008027620A1 (en) * | 2006-03-30 | 2008-03-06 | Obopay Inc. | Mobile person-to-person payment system |
| CN101465675A (en) * | 2008-12-31 | 2009-06-24 | 中兴通讯股份有限公司 | Enhancement type close range wireless communication eNFC device and implementing method thereof |
| EP2112634A1 (en) * | 2008-04-22 | 2009-10-28 | Nec Technologies (UK) Limited | Method for transferring provisioning information to a mobile unit |
| CN102081823A (en) * | 2010-12-03 | 2011-06-01 | 中兴通讯股份有限公司 | Method and device for reducing mobile payment transaction interferences and mobile terminal |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1625291A (en) * | 2003-12-01 | 2005-06-08 | 索尼爱立信移动通信日本株式会社 | Method of preventing access to a subscriber identity module and a mobile communication terminal device |
| WO2008027620A1 (en) * | 2006-03-30 | 2008-03-06 | Obopay Inc. | Mobile person-to-person payment system |
| EP2112634A1 (en) * | 2008-04-22 | 2009-10-28 | Nec Technologies (UK) Limited | Method for transferring provisioning information to a mobile unit |
| CN101465675A (en) * | 2008-12-31 | 2009-06-24 | 中兴通讯股份有限公司 | Enhancement type close range wireless communication eNFC device and implementing method thereof |
| CN102081823A (en) * | 2010-12-03 | 2011-06-01 | 中兴通讯股份有限公司 | Method and device for reducing mobile payment transaction interferences and mobile terminal |
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Effective date of registration: 20201216 Address after: Room 705, 7 / F, room 9, 1699, Zuchongzhi South Road, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan chuangzhihui Intellectual Property Operation Co.,Ltd. Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee before: ZTE Corp. |
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Address after: 215300 rooms 107 and 108, area C, 55 Xiaxi street, Kunshan Development Zone, Suzhou City, Jiangsu Province Patentee after: Kunshan chuangzhihui Intellectual Property Operation Co.,Ltd. Address before: Room 705, 7 / F, room 9, 1699, Zuchongzhi South Road, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Kunshan chuangzhihui Intellectual Property Operation Co.,Ltd. |
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Effective date of registration: 20230412 Address after: Room 1412, No. 579, Qianjin East Road, Kunshan Development Zone, Suzhou City, Jiangsu Province, 215300 Patentee after: Suzhou Tanyun Purification Technology Co.,Ltd. Address before: 215300 rooms 107 and 108, area C, 55 Xiaxi street, Kunshan Development Zone, Suzhou City, Jiangsu Province Patentee before: Kunshan chuangzhihui Intellectual Property Operation Co.,Ltd. |