CN101772215A - Mobile terminal capable of supporting near field communication and near field communication method thereof - Google Patents
Mobile terminal capable of supporting near field communication and near field communication method thereof Download PDFInfo
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- CN101772215A CN101772215A CN201010119591A CN201010119591A CN101772215A CN 101772215 A CN101772215 A CN 101772215A CN 201010119591 A CN201010119591 A CN 201010119591A CN 201010119591 A CN201010119591 A CN 201010119591A CN 101772215 A CN101772215 A CN 101772215A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10237—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0492—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload by using a location-limited connection, e.g. near-field communication or limited proximity of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
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Abstract
The present invention discloses a mobile terminal capable of supporting near field communication, which comprises an NFC device, a logic switch, a determination module, a receiving module, an output module and more than two SIM cards, wherein the NFC device is respectively connected with the more than two SIM cards through the logic switch; the determination module is used for determining to satisfy communication needs when the more than two SIM cards are communicated with the NFC device; the SIM cards which satisfy the communication needs are one time , and the logic switch is controlled to communicate the SIM cards which satisfy the communication needs to the NFC device; the SIM cards which satisfy the communication needs are more than two times, SIM card information satisfying the communication needs are output by the output module, and the receiving module is used for receiving the SIM card which is selected to be communicated by a user to control the logic switch to communicate the selected SIM card to the NFC device. At the same time, the present invention discloses a near field communication method based on the mobile terminal. The technical scheme of the present invention is simple, and the realizing cost is low.
Description
Technical field
The present invention relates to near-field communication (NFC, Near Field Communication) technology, relate in particular to a kind of portable terminal of supporting near-field communication and based on the near field communication method of this portable terminal.
Background technology
At present, the application of contact-free integrated circuit (CIC, Contactless Integrated Circuit) more and more widely can be applied in public transport, gate control system, catering industry etc.Simultaneously, the portable terminal conduct is Intelligent treatment equipment easily, and its application is also more and more general, become the necessity of people's daily life, therefore, with the same integrated circuit (IC of portable terminal, Integrated Circuit) card is used in combination, and brings more facility must for people's life.
In the IC technology, the near-field communication technology is the main flow scheme, is to be merged by non-contact radio-frequency identification (RFID, Radio Frequency Identification) technology and interconnection technique to develop.NFC adopts the working frequency range of 13.56MHz, can realize the function of non-contact IC card simulation, card reader, Point-to-Point Data exchange, and data transmission rate can reach 424kbps.And if the NFC technology is combined with portable terminal, the user needn't carry relevant IC-card, get mobile terminal user identification module (SIM, Subscriber Identity Module) card and will realize user's current consumption by brush.
Regrettably, realize that based on portable terminal personal consumption only rests on conceptual phase at present, how to realize this scheme, still do not have concrete implementation at present.Especially, along with continuous advancement in technology, plurality of SIM cards portable terminal (the plurality of SIM cards portable terminal that comprises multi-module mobile terminal and support consolidated network) continues to bring out, and how to realize NFC at these plurality of SIM cards portable terminals, is a current big problem that faces.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of portable terminal and near field communication method thereof of supporting near-field communication, can realize NFC on the plurality of SIM cards portable terminal.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of portable terminal of supporting near-field communication comprises NFC device, logic switch, determination module, receiver module, output module, plural SIM card;
Described NFC device is connected respectively with described plural SIM card by described logic switch;
Can described determination module be used for determining satisfying communicating requirement when described plural SIM card is connected described NFC device; When the SIM card that satisfies communicating requirement is one, controls the SIM card that described logic switch will satisfy communicating requirement and be switched to described NFC device; The SIM card that satisfies communicating requirement is two when above, satisfy the SIM card information of communicating requirement by described output module output, and, control described logic switch selected SIM card is connected described NFC device by the SIM card that receiver module reception user selects desire communication.
Preferably, when described plural SIM card was connected described NFC device by described logic switch, described plural SIM card was as the Secure Application chip of described NFC device;
The accepting terminal of NFC device by described NFC device to the SIM card that the meets application operation of swiping the card.
Preferably, described NFC device comprises NFC chip and NFC antenna; Described determination module is arranged in the baseband chip or the NFC chip of described portable terminal;
Described NFC device is connected respectively with described plural SIM card by described logic switch, is specially, and described NFC antenna is connected in described NFC chip; The C6 pin of described SIM card is connected with the C6 pin of described NFC chip by single-wire-protocol SWP line, and the VCC pin of described SIM card is connected with the VCC pin of described NFC chip; Be connected by inner integrated I2C line or universal asynchronous reception/transmission UART line between described NFC chip and the described baseband chip.
Preferably, GND pin, RST pin, IO pin and the CLK pin on the described plural SIM card is connected with corresponding pin on the described baseband chip respectively.
A kind of near field communication method based on portable terminal is provided with NFC device, logic switch and plural SIM card in the portable terminal, described NFC device is connected respectively with described plural SIM card by described logic switch; Described method comprises:
After the request of swiping the card of accepting terminal mobile terminal receive, when the SIM card of determining to satisfy in the described plural SIM card in the described portable terminal communicating requirement is one, controls the SIM card that described logic switch will satisfy communicating requirement and be switched to described NFC device; The SIM card that satisfies communicating requirement is two, and the SIM card information of communicating requirement is satisfied in output when above, and receives the SIM card that the user selects desire communication, controls described logic switch selected SIM card is connected described NFC device;
The accepting terminal of described NFC device by described NFC device to the SIM card that the meets application operation of swiping the card.
Preferably, described NFC device comprises NFC chip and NFC antenna; Described NFC device is connected respectively with described plural SIM card by described logic switch, is specially, and described NFC antenna is connected in described NFC chip; The C6 pin of described SIM card is connected with the C6 pin of described NFC chip by single-wire-protocol SWP line, and the VCC pin of described SIM card is connected with the VCC pin of described NFC chip; Be connected by I2C or UART line between the baseband chip of described NFC chip and described portable terminal.
Preferably, GND pin, RST pin, IO pin and the CLK pin on the described plural SIM card is connected with corresponding pin on the described baseband chip respectively.
Preferably, described method also comprises:
Accepting terminal judges whether the SIM card that described logic switch is connected has valid application, and searches in the residue SIM card whether have valid application;
When beginning to search, NFC chip controls NFC antenna cuts out, and notice baseband chip control switch logic switch, selects a SIM card to connect the SWP agreement in the residue SIM card, opens the NFC antenna simultaneously.
Among the present invention, by NFC device and logic switch are set, realize being connected of plurality of SIM cards and NFC device in the plurality of SIM cards portable terminal by logic switch, the a certain moment, logic switch only allows a SIM card to be switched on the NFC device, and perhaps, plurality of SIM cards can not be connected the NFC device entirely.Among the present invention, when SIM card was connected the NFC device, promptly as the Secure Application chip of NFC device, outside accepting terminal such as point of sales terminal (POS, Point Of Sale) machine etc. can be by the swipe the card operation of NFC device realization to SIM card for this SIM card.The present invention realizes the NFC of a plurality of SIM card is supported by logic switch by a NFC device is set in the plurality of SIM cards portable terminal, and is simple in structure and realize that cost is lower.
Description of drawings
Fig. 1 supports the composition structural representation of the portable terminal of near-field communication for the present invention;
Fig. 2 supports the implementation structure schematic diagram of the portable terminal of near-field communication for the present invention;
Fig. 3 is the flow chart that the present invention is based on the near field communication method of portable terminal.
Embodiment
Basic thought of the present invention is: by NFC device and logic switch are set in the plurality of SIM cards portable terminal, realize being connected of plurality of SIM cards and NFC device by logic switch, the a certain moment, logic switch only allows a SIM card to be switched on the NFC device, perhaps, plurality of SIM cards can not be connected the NFC device entirely.Among the present invention, when SIM card was connected the NFC device, promptly as the Secure Application chip of NFC device, outside accepting terminal such as POS machine etc. can be by the swipe the card operation of NFC device realization to SIM card for this SIM card.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 supports the composition structural representation of the portable terminal of near-field communication for the present invention, as shown in Figure 1, the present invention supports the portable terminal of near-field communication to comprise near-field communication NFC device 10, logic switch 11, determination module 12, receiver module 13, output module 14, plural SIM card 15, wherein, NFC device 10 is connected respectively with described plural SIM card 15 by logic switch 11, wherein, can determination module 12 be used for determining satisfying communicating requirement when described plural SIM card 15 is connected described NFC device 10; When the SIM card 15 that satisfies communicating requirement is one, controls the SIM card that described logic switch 11 will satisfy communicating requirement and be switched to described NFC device 10; The SIM card 15 that satisfies communicating requirement is two when above, satisfy the SIM card information of communicating requirement by described output module 14 outputs, and, control described logic switch 11 selected SIM card 15 is connected described NFC device 10 by the SIM card that receiver module 13 reception users select desire communication.
Fig. 2 supports the implementation structure schematic diagram of the portable terminal of near-field communication for the present invention, as shown in Figure 1 and Figure 2, NFC device 10 comprises NFC chip and NFC antenna; Determination module 12 is arranged in the baseband chip or the NFC chip of described portable terminal; Described NFC device 10 is connected respectively with described plural SIM card 15 by described logic switch 11, and concrete, described NFC antenna is connected in described NFC chip; The C6 pin of described SIM card 15 is connected with the C6 pin of described NFC chip by single-wire-protocol (SWP, Single Wire Protocol) line, and the VCC pin of described SIM card 15 is connected with the VCC pin of described NFC chip; Connect by inner Integration Bus (I2C, Inter-Integrated Circuit) or universal asynchronous reception/transmission (UART, UniversalAsynchronous Receiver/Transmitter) line between described NFC chip and the described baseband chip.Other pins on the SIM card 15 as GND (ground connection) pin, RST (resetting) pin, IO (input and output) pin and CLK (clock) pin respectively with as described in corresponding pin on the baseband chip be connected.
After the NFC antenna of the portable terminal of the support NFC among the present invention receives communication (as the application choice order) request of accepting terminal of outside NFC device, communication request information is sent in the baseband chip of portable terminal cover half piece 12 really by the NFC chip, determination module is transmitted this communication request to SIM card (application); The determination module communication request response message that (application) returned according to SIM card determines whether the SIM card of logic switch 11 current connections meets the corresponding communication requirement, promptly determines whether be provided with the application program of mating with communication request in this SIM card.Determination module 12 is connected each SIM card in the portable terminal successively with control logic switch 11, and determine successively whether each SIM card satisfies the basic demand that communicates with outside accepting terminal, when determining not meet the SIM card of communicating requirement, return the failure information of swiping the card.When determining only to have a SIM card to satisfy communicating requirement, this SIM card that satisfies communicating requirement is switched on the NFC chip, and the communicating by letter of realization and accepting terminal, realize the operation of swiping the card to this SIM card, read the identity information of this SIM card, by the deduct fees operation of accepting terminal realization to this SIM card.When the SIM card of determining to satisfy communicating requirement is two when above, display screen by portable terminal is exported the SIM card information that all meet communicating requirement to the user, select communicating by letter of a conduct and accepting terminal for the user, thereby realize operations such as swiping the card of selected SIM card.
Among the present invention, when determination module 12 is arranged in the NFC chip, basic identical with the processing mode of the baseband chip that is arranged in portable terminal, just, in the SIM card of determining to satisfy communicating requirement is two when above, needs will satisfy by the display screen of baseband chip and portable terminal the SIM card information output of communicating requirement.Because this part is not the emphasis of technical solution of the present invention, repeats no more its details here.
Keyboard shown in the figure and display screen can be realized the function of aforesaid input module and output module respectively.
Among the present invention, the accepting terminal of NFC comprises terminals such as POS machine, reader, gate.
Like this, in the portable terminal of plurality of SIM cards, by a NFC device is set, can realize the operation of swiping the card to a plurality of SIM card, implementation structure is simple, and cost is lower.
Fig. 3 is the flow chart that the present invention is based on the near field communication method of portable terminal, and as shown in Figure 3, the near field communication method of this example is based on that aforementioned portable terminal carries out, and the near field communication method that the present invention is based on portable terminal may further comprise the steps:
Step S302, the portable terminal of support NFC with plurality of SIM cards communicates processing near the accepting terminal of NFC between the NFC antenna of accepting terminal and portable terminal.Here, the application program supported in the SIM cards of different operators may be different, and the communication mode that the accepting terminal of NFC is supported may be also can be therefore and different.
Application on the SIM card that the portable terminal employing SWP mode of support NFC connects.
Step S304 uses alternately on the accepting terminal of NFC and the SIM card that is connected by SWP, select to have the SIM card of valid application, so that communicate with it.
Step S306 judges whether the SIM card of current support in the portable terminal has valid application.Concrete, though portable terminal has a plurality of SIM card, but logic switch only selects for use a SIM card (default setting) and the NFC device in the portable terminal to connect, and when receiving the communicating requirement of outside accepting terminal, determines at first whether the current SIM card of connecting with the NFC device has valid application.
If judged result is for being, execution in step S308 then, otherwise, then carry out S310.
Step S308, the valid application on the record SIM card comprises a plurality of application on the same SIM card.
Step S310 judges whether to have in addition other SIM card of valid application.Judged result is for being, execution in step S312 then, otherwise, then carry out S316.
Step S312, NFC chip controls NFC antenna cuts out.Because the application of current SIM card can be waited at laststate always, must close radio frequency, just can withdraw from.
Step S314, NFC chip informing baseband chip control switch logic switch selects (for example according to the order of connection or by the order of setting) SIM card to connect the SWP agreement in the residue SIM card, opens the NFC antenna simultaneously.
Under the situation that no user is intervened, carry out searching of next SIM card, all SIM card in having searched portable terminal with valid application.
Step S316, all SIM card judge whether to exist a plurality of SIM card with valid application after using and attempting finishing.If execution in step S318 then, otherwise execution in step S328.
Step S318 provides user selection interface, selects the SIM card of communicating by letter by the user.
Step S320 judges whether the user selects is the application of the SIM card of the current NFC of being switched to device.If execution in step S318 then, otherwise, execution in step S322.
Step S322, NFC chip controls NFC antenna cuts out.Because the application of current SIM card can be waited at laststate always, must close radio frequency, just can withdraw from.
Step S324, NFC chip informing baseband chip control switch logic switch, the SIM card that the user is selected is connected the SWP agreement, opens the NFC antenna simultaneously.
Step S326 uses alternately on the SIM card of accepting terminal and connection SWP agreement, selects application.
Step S328, the transaction of swiping the card is finished and is swiped the card.
Among the present invention, the accepting terminal of NFC comprises terminals such as POS machine, reader, gate.
Among the present invention, in the portable terminal of plurality of SIM cards, by a NFC device is set, can realize the operation of swiping the card to a plurality of SIM card, implementation structure is simple, and cost is lower.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (8)
1. a portable terminal of supporting near-field communication is characterized in that, comprises near-field communication (NFC) device, logic switch, determination module, receiver module, output module, plural subscriber identification module (SIM) card;
Described NFC device is connected respectively with described plural SIM card by described logic switch;
Can described determination module be used for determining satisfying communicating requirement when described plural SIM card is connected described NFC device; When the SIM card that satisfies communicating requirement is one, controls the SIM card that described logic switch will satisfy communicating requirement and be switched to described NFC device; The SIM card that satisfies communicating requirement is two when above, satisfy the SIM card information of communicating requirement by described output module output, and, control described logic switch selected SIM card is connected described NFC device by the SIM card that receiver module reception user selects desire communication.
2. portable terminal according to claim 1 is characterized in that, when described plural SIM card was connected described NFC device by described logic switch, described plural SIM card was as the Secure Application chip of described NFC device;
The accepting terminal of NFC device by described NFC device to the SIM card that the meets application operation of swiping the card.
3. portable terminal according to claim 1 and 2 is characterized in that, described NFC device comprises NFC chip and NFC antenna; Described determination module is arranged in the baseband chip or the NFC chip of described portable terminal;
Described NFC device is connected respectively with described plural SIM card by described logic switch, is specially, and described NFC antenna is connected in described NFC chip; The C6 pin of described SIM card is connected with the C6 pin of described NFC chip by single-wire-protocol SWP line, and the VCC pin of described SIM card is connected with the VCC pin of described NFC chip; Be connected by inner integrated I2C line or universal asynchronous reception/transmission UART line between described NFC chip and the described baseband chip.
4. portable terminal according to claim 3 is characterized in that, the GND pin on the described plural SIM card, RST pin, IO pin and CLK pin are connected with corresponding pin on the described baseband chip respectively.
5. the near field communication method based on portable terminal is characterized in that, is provided with NFC device, logic switch and plural SIM card in the portable terminal, and described NFC device is connected respectively with described plural SIM card by described logic switch; Described method comprises:
After the request of swiping the card of accepting terminal mobile terminal receive, when the SIM card of determining to satisfy in the described plural SIM card in the described portable terminal communicating requirement is one, controls the SIM card that described logic switch will satisfy communicating requirement and be switched to described NFC device; The SIM card that satisfies communicating requirement is two, and the SIM card information of communicating requirement is satisfied in output when above, and receives the SIM card that the user selects desire communication, controls described logic switch selected SIM card is connected described NFC device;
The accepting terminal of described NFC device by described NFC device to the SIM card that the meets application operation of swiping the card.
6. method according to claim 5 is characterized in that, described NFC device comprises NFC chip and NFC antenna; Described NFC device is connected respectively with described plural SIM card by described logic switch, is specially, and described NFC antenna is connected in described NFC chip; The C6 pin of described SIM card is connected with the C6 pin of described NFC chip by single-wire-protocol SWP line, and the VCC pin of described SIM card is connected with the VCC pin of described NFC chip; Be connected by I2C or UART line between the baseband chip of described NFC chip and described portable terminal.
7. method according to claim 6 is characterized in that, the GND pin on the described plural SIM card, RST pin, IO pin and CLK pin are connected with corresponding pin on the described baseband chip respectively.
8. method according to claim 6 is characterized in that, described method also comprises:
Accepting terminal judges whether the SIM card that described logic switch is connected has valid application, and searches in the residue SIM card whether have valid application;
When beginning to search, NFC chip controls NFC antenna cuts out, and notice baseband chip control switch logic switch, selects a SIM card to connect the SWP agreement in the residue SIM card, opens the NFC antenna simultaneously.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010119591.6A CN101772215B (en) | 2010-02-23 | 2010-02-23 | Support mobile terminal and the near field communication method thereof of near-field communication |
| PCT/CN2010/074735 WO2011103733A1 (en) | 2010-02-23 | 2010-06-29 | Mobile terminal for supporting near field communication and near field communication method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010119591.6A CN101772215B (en) | 2010-02-23 | 2010-02-23 | Support mobile terminal and the near field communication method thereof of near-field communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101772215A true CN101772215A (en) | 2010-07-07 |
| CN101772215B CN101772215B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010119591.6A Active CN101772215B (en) | 2010-02-23 | 2010-02-23 | Support mobile terminal and the near field communication method thereof of near-field communication |
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| CN (1) | CN101772215B (en) |
| WO (1) | WO2011103733A1 (en) |
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| Publication number | Publication date |
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| CN101772215B (en) | 2015-10-21 |
| WO2011103733A1 (en) | 2011-09-01 |
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