CN102780513A - Mobile terminal and method for realizing Bluetooth communication between mobile terminals - Google Patents
Mobile terminal and method for realizing Bluetooth communication between mobile terminals Download PDFInfo
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Abstract
The invention discloses a mobile terminal, which comprises a base band, an NFC (near field communication) module and a Bluetooth module, wherein the NFC module and the Bluetooth module are respectively connected with the base band; the NFC module is used for carrying out NFC with other mobile terminals, obtaining a Bluetooth MAC (media access control) address of the mobile terminal from the base band, receiving Bluetooth MAC addresses of other mobile terminals and sending the Bluetooth MAC addresses of other mobile terminals into the base band; the Bluetooth module is used for carrying out Bluetooth communication with other mobile terminals; the base band obtains the Bluetooth MAC address of the mobile terminal, and receives the Bluetooth MAC addresses of other mobile terminals, which are from the NFC module; according to the Bluetooth MAC address of the mobile terminal and the Bluetooth MAC addresses of other mobile terminals, UUID (universally unique identifier) is generated; and according to the UUID, the Bluetooth communication between the mobile terminal and other mobile terminals is established. The invention also discloses a method for realizing Bluetooth communication between mobile terminals. According to the mobile terminal disclosed by the invention, the opposite-side Bluetooth MAC address is obtained by the NFC to realize the direct pairing of the Bluetooth.
Description
Technical field
The present invention relates between a kind of portable terminal and the portable terminal to realize the method for Bluetooth communication, particularly relate to a kind of portable terminal of the NFC of having function and utilize NFC to make the method that realizes Bluetooth communication between the portable terminal.
Background technology
Current phone is widely used, and the function that mobile phone possessed is become stronger day by day, mobile phone will replace gradually the modern on one's body with some cards, such as credit card, accumulating card, transportation card etc., can help people to accomplish the traffic booking, Pay Bill, services such as integration shopping; Along with the further developing of communications industry, can also realize two Synchronous Processing communications between the mobile phone in addition.
In the prior art, the information synchronization between mobile phone, each other method for communicating has multiple, for example infrared, bluetooth, NFC or the like.Wherein, Bluetooth is widely used in fields such as various telephone systems, wireless cable, wireless briefcase, all kinds of digital electronic device, ecommerce, can comprise that carrying out wireless messages between numerous equipment such as mobile phone, PDA, wireless headset, notebook computer, relative peripheral exchanges.
Yet; When needing communication between the present common blue-tooth device, generally need search bluetooth equipment earlier, carry out the pairing between the blue-tooth device again behind selected the other side's the Bluetooth address; Password input validation both sides identity just can be carried out the file transfer between the bluetooth after checking is correct.So before the beginning Bluetooth communication, the connection that needs a plurality of steps pairings of process could set up both sides' blue-tooth device, complex operation, process is consuming time.
Summary of the invention
The technical problem that the present invention will solve is to begin the loaded down with trivial details defective consuming time of step, process that Bluetooth communication need be gone through a plurality of pair verification before in order to overcome two blue-tooth devices of prior art; Provide a kind of NFC of utilization (Near Field Communication, near-field communication), directly match blue-tooth device, simplify Bluetooth communication step, save the method that realizes Bluetooth communication between portable terminal and the portable terminal of operating time of beginning Bluetooth communication.
The present invention solves above-mentioned technical problem through following technical proposals:
A kind of portable terminal, it comprises base band, its characteristics are that this portable terminal also comprises a NFC module and a bluetooth module that links to each other with this base band respectively, wherein,
This NFC module; Being used for carrying out NFC with other portable terminals communicates by letter, obtains the bluetooth MAC Address of this portable terminal and receive the bluetooth MAC Address (Media Access Control, hardware address) of other portable terminals and the bluetooth MAC Address of these other portable terminals is sent into base band from base band;
This bluetooth module is used for carrying out Bluetooth communication with other portable terminals;
This base band is used to obtain the bluetooth MAC Address of this portable terminal and receives the bluetooth MAC Address from these other portable terminals of this NFC module; And according to the bluetooth MAC Address of this portable terminal and bluetooth MAC Address generation UUID (the Universally Unique Identifier of these other portable terminals; General unique identifier), and according to this UUID set up the Bluetooth communication between this portable terminal and other portable terminals; And the MAC Address of the MAC Address of this portable terminal and these other portable terminals enrolled to a NDEF (NFC Data Exchange Format, NFC data interchange format) information and start the monitoring service of UUID; Whether the size of the data that this base band also is used to judge that this portable terminal will transmit surpasses NFC communication threshold value; Wherein this NFC communication threshold value is the largest data transfer amount of NFC communication; Why the largest data transfer amount is set is because the data transmission bauds of NFC is not high; So be not suitable for the file transfer of larger data amount, therefore a communication threshold value artificially is set at this, make and transmit through NFC smaller or equal to the data of this threshold value; And pass through Bluetooth transmission greater than the data of this threshold value, taken into account facility and the transmission rate in the communication like this.For example, if will data quantity transmitted be merely tens KB, then base band judgment data transmission quantity is little, then controls the NFC module through the NFC communication transmitting data; If judge will data quantity transmitted very greatly, for example one several million audio file be then set up Bluetooth communication, through the Bluetooth transmission data.
Preferably, this NFC module also is used for sending the NFC communication request to the NFC of other portable terminals module, and the NFC module that responds other portable terminals is sent the NFC communication request and communicated by letter to carry out NFC.
Preferably, the NFC communication distance of this NFC module is 0-20cm.Guaranteeing successfully to set up the safety of data transmission that has also guaranteed NFC communication when NFC connects like this.In addition, preferably, the NFC traffic rate is 106kbps-1Mbps.More preferably, the NFC traffic rate is 106kbps, 212kbps, 424kbps, 848kbps or 1Mbps.
Preferably, this NFC communication threshold value is 1Mbit.Like this, when base band judge will data quantity transmitted less than 1Mbit, then carry out transfer of data through NFC communication; Judge and data quantity transmitted to surpass 1Mbit when base band, then through the Bluetooth transmission data.
The present invention also provides the method that realizes Bluetooth communication between a kind of first portable terminal and second portable terminal; Its characteristics are; This first portable terminal and second portable terminal are aforesaid portable terminal, and the method for this realization Bluetooth communication may further comprise the steps:
S
1, first portable terminal the NFC module judge whether to receive NFC communication request from second portable terminal, if get into step S
2If not, the NFC module of this first portable terminal continues to monitor whether receive the NFC communication request;
S
2, first portable terminal the NFC module responds communicate by letter from the NFC communication request of second portable terminal and the NFC that sets up between the NFC module with this second portable terminal;
S
3, second portable terminal the NFC module obtain the bluetooth MAC Address of second portable terminal;
S
4, second portable terminal the NFC module bluetooth MAC Address of this second portable terminal is sent to the NFC module of this first portable terminal through NFC communication;
S
5, first portable terminal the base band base band that obtains bluetooth MAC Address and this first portable terminal of this first portable terminal obtain the bluetooth MAC Address of this second portable terminal from the NFC module of this first portable terminal;
S
6, this first portable terminal base band generate UUID according to the bluetooth MAC Address of the bluetooth MAC Address of this first portable terminal and this second portable terminal;
S
7, this first portable terminal base band judge that whether the size of the data that will transmit between this first portable terminal and this second portable terminal surpasses NFC communication threshold value, if then get into step S
8If not, then get into step S
9Wherein this NFC communication threshold value is the largest data transfer amount of NFC communication, and why the largest data transfer amount is set is because the data transmission bauds of NFC is not high, so be not suitable for the file transfer of larger data amount; Therefore at this communication threshold value is set artificially; Make and transmit through NFC, and pass through Bluetooth transmission, taken into account facility and the transmission rate in the communication like this greater than the data of this threshold value smaller or equal to the data of this threshold value;
S
8, first portable terminal bluetooth module realize the Bluetooth communication between the bluetooth module with this second portable terminal through this UUID, and transmit data through Bluetooth communication;
S
9, first portable terminal base band enroll the MAC Address of the MAC Address of this first portable terminal and this second portable terminal to a NDEF information and start the monitoring service of UUID;
S
10, first portable terminal the NFC module carry out transfer of data through the NFC communication and the NFC module of second portable terminal.Be in the communication means of the present invention; After the NFC communication of having set up two portable terminals; Base band can automatic judgement will data quantity transmitted size, if the transfer of data of NFC is then directly carried out in the very little suitable NFC communication of data volume through the NFC module of two portable terminals; If data volume is bigger, be not suitable for adopting NFC communication or adopt NFC communication will expend the more time, then base band is set up the bluetooth connection through UUID, thereby carries out transfer of data through Bluetooth communication.
Preferably, step S
3Further comprising the steps of:
S
31, this second portable terminal base band obtain the bluetooth MAC Address of second portable terminal;
S
32, this second portable terminal the NFC module obtain the bluetooth MAC Address of this second portable terminal from the base band of second portable terminal.
Preferably, step S
8In the bluetooth module of first portable terminal set up RFCOMM through this UUID (RFCOMM be based on the linear simulation protocol of serial of the ETSI07.10 of ETSI rules.This agreement provides RS232 control and status signal, and like the damage on the base band, CTS and data-signal etc. are for upper-layer service (using like the traditional serial cable) provides transfer capability.And RFCOMM is a simple transport protocol; Its objective is to how between the application on two distinct devices, to guarantee a complete communication path, and between them, keep a communication section) Bluetooth communication between the bluetooth module of Communication Realization and this second portable terminal.
Preferably, the NFC communication distance of the NFC module of the NFC module of this first portable terminal and/or second portable terminal is 0-20cm.Guaranteeing successfully to set up the safety of data transmission that has also guaranteed NFC communication when NFC connects like this.In addition, preferably, the NFC traffic rate is 106kbps-1Mbps.More preferably, the NFC traffic rate is 106kbps, 212kbps, 424kbps, 848kbps or 1Mbps.
Preferably, this NFC communication threshold value is 1Mbit.Like this, when base band judge will data quantity transmitted less than 1Mbit, then carry out transfer of data through NFC communication; Judge and data quantity transmitted to surpass 1Mbit when base band, then through the Bluetooth transmission data.
Positive progressive effect of the present invention is:
1, after the present invention adds the NFC module in portable terminal; Bluetooth module in the portable terminal can realize that the near field need not checking; Only need with two portable terminals each other closely near; NFC communication be can directly realize, and the direct pairing of bluetooth, the time of having accelerated to realize Bluetooth communication realized through the bluetooth MAC Address that the other side is obtained in NFC communication.
2, the base band of portable terminal of the present invention can automatic judgement will data quantity transmitted size, if the transfer of data of NFC is then directly carried out in the very little suitable NFC communication of data volume through the NFC module of two portable terminals; If data volume is bigger, be not suitable for adopting NFC communication or adopt NFC communication will expend the more time, then base band is set up the bluetooth connection through UUID, thereby carries out transfer of data through Bluetooth communication.Thus, on the basis of the program of having accelerated Bluetooth pairing, select only data transfer mode automatically, saved the time of transfer of data greatly.
Description of drawings
Fig. 1 is the structured flowchart of the portable terminal of one embodiment of the invention.
Fig. 2 is a flow chart of realizing the method for Bluetooth communication between first portable terminal and second portable terminal of one embodiment of the invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
With reference to figure 1, portable terminal of the present invention, it comprises base band 1, and a NFC module 2 that links to each other with this base band 1 respectively and a bluetooth module 3, wherein,
This NFC module 2 is used for carrying out NFC with other portable terminals and communicates by letter, obtains the bluetooth MAC Address of this portable terminal and receive the bluetooth MAC Address of other portable terminals and the bluetooth MAC Address of these other portable terminals is sent into base band 1 from base band 1;
This bluetooth module 3 is used for carrying out Bluetooth communication with other portable terminals;
This base band 1 is used to obtain the bluetooth MAC Address of this portable terminal and receives the bluetooth MAC Address from these other portable terminals of this NFC module 2; And generate UUID, and set up the Bluetooth communication between this portable terminal and other portable terminals based on this UUID based on the bluetooth MAC Address of the bluetooth MAC Address of this portable terminal and these other portable terminals; And enroll the MAC Address of the MAC Address of this portable terminal and these other portable terminals to a NDEF information and start the monitoring service of UUID; Whether the size of the data that this base band 1 also is used to judge that this portable terminal will transmit surpasses NFC communication threshold value, and wherein this NFC communication threshold value is the largest data transfer amount of NFC communication.
Wherein, this NFC module 2 also is used for sending the NFC communication request to the NFC of other portable terminals module, and the NFC module that responds other portable terminals is sent the NFC communication request and communicated by letter to carry out NFC.
In addition, in order to guarantee safety of data transmission in the communication process, the NFC communication distance of this NFC module is 0-20cm.
With reference to figure 2; Realize the method for Bluetooth communication between first portable terminal of the present invention and second portable terminal; Wherein, This first portable terminal and second portable terminal are aforesaid portable terminal, and initiating concurrent data to the first portable terminal that send of communication connection with second portable terminal is example, and the method for this realization Bluetooth communication may further comprise the steps:
Wherein, NFC communication threshold value is well-known to those skilled in the art, and perhaps those skilled in the art can set up appropriate threshold on their own, and for example setting this NFC communication threshold value is 1Mbit, when the data of transmission during less than 1Mbit, through NFC transmission data; When the data of transmission surpass 1Mbit, set up the bluetooth connection and transmit data through Bluetooth communication.In addition, in order to guarantee the fail safe of NFC communication, adopt the NFC communication range of 0-20cm, and the NFC traffic rate is 106kbps-1Mbps.
Portable terminal of the present invention is when carrying out the bluetooth connection; Need not pairing processes such as loaded down with trivial details bluetooth equipment search, password authentification, only need with two portable terminals near, realize that Bluetooth pairing connects thereby utilize the NFC module to realize automatically that NFC connects to obtain the bluetooth MAC Address; Saved the time that bluetooth connects; Simplify the bluetooth step of connecting, and under the less situation of volume of transmitted data, directly passed through the NFC communication transmitting data through the NFC module between two portable terminals; Under the bigger situation of volume of transmitted data, directly transmit data through bluetooth module between two portable terminals through Bluetooth communication.
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited appended claims.Those skilled in the art can make numerous variations or modification to these execution modes under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (9)
1. portable terminal, it comprises base band, it is characterized in that, this portable terminal also comprises a NFC module and a bluetooth module that links to each other with this base band respectively, wherein,
This NFC module is used for carrying out NFC with other portable terminals and communicates by letter, obtains the bluetooth MAC Address of this portable terminal and receive the bluetooth MAC Address of other portable terminals and the bluetooth MAC Address of these other portable terminals is sent into base band from base band;
This bluetooth module is used for carrying out Bluetooth communication with other portable terminals;
This base band is used to obtain the bluetooth MAC Address of this portable terminal and receives the bluetooth MAC Address from these other portable terminals of this NFC module; And generate UUID, and set up the Bluetooth communication between this portable terminal and other portable terminals based on this UUID based on the bluetooth MAC Address of the bluetooth MAC Address of this portable terminal and these other portable terminals; And enroll the MAC Address of the MAC Address of this portable terminal and these other portable terminals to a NDEF information and start the monitoring service of UUID; Whether the size of the data that this base band also is used to judge that this portable terminal will transmit surpasses NFC communication threshold value, and wherein this NFC communication threshold value is the largest data transfer amount of NFC communication.
2. portable terminal as claimed in claim 1 is characterized in that, this NFC module also is used for sending the NFC communication request to the NFC of other portable terminals module, and the NFC module that responds other portable terminals is sent the NFC communication request and communicated by letter to carry out NFC.
3. according to claim 1 or claim 2 portable terminal is characterized in that the NFC communication distance of this NFC module is 0-20cm, and the NFC traffic rate is 106kbps-1Mbps.
4. according to claim 1 or claim 2 portable terminal is characterized in that, this NFC communication threshold value is 1Mbit.
5. realize the method for Bluetooth communication between the portable terminal and second portable terminal, it is characterized in that this first portable terminal and second portable terminal are portable terminal as claimed in claim 1, the method for this realization Bluetooth communication may further comprise the steps:
S
1, first portable terminal the NFC module judge whether to receive NFC communication request from second portable terminal, if get into step S
2If not, the NFC module of this first portable terminal continues to monitor whether receive the NFC communication request;
S
2, first portable terminal the NFC module responds communicate by letter from the NFC communication request of second portable terminal and the NFC that sets up between the NFC module with this second portable terminal;
S
3, second portable terminal the NFC module obtain the bluetooth MAC Address of second portable terminal;
S
4, second portable terminal the NFC module bluetooth MAC Address of this second portable terminal is sent to the NFC module of this first portable terminal through NFC communication;
S
5, first portable terminal the base band base band that obtains bluetooth MAC Address and this first portable terminal of this first portable terminal obtain the bluetooth MAC Address of this second portable terminal from the NFC module of this first portable terminal;
S
6, this first portable terminal base band generate UUID according to the bluetooth MAC Address of the bluetooth MAC Address of this first portable terminal and this second portable terminal;
S
7, this first portable terminal base band judge that whether the size of the data that will transmit between this first portable terminal and this second portable terminal surpasses NFC communication threshold value, if then get into step S
8If not, then get into step S
9, wherein this NFC communication threshold value is the largest data transfer amount of NFC communication;
S
8, first portable terminal bluetooth module realize the Bluetooth communication between the bluetooth module with this second portable terminal through this UUID, and transmit data through Bluetooth communication;
S
9, first portable terminal base band enroll the MAC Address of the MAC Address of this first portable terminal and this second portable terminal to a NDEF information and start the monitoring service of UUID;
S
10, first portable terminal the NFC module carry out transfer of data through the NFC communication and the NFC module of second portable terminal.
6. realize the method for Bluetooth communication between first portable terminal as claimed in claim 5 and second portable terminal, it is characterized in that step S
3Further comprising the steps of:
S
31, this second portable terminal base band obtain the bluetooth MAC Address of second portable terminal;
S
32, this second portable terminal the NFC module obtain the bluetooth MAC Address of this second portable terminal from the base band of second portable terminal.
7. realize the method for Bluetooth communication between first portable terminal as claimed in claim 5 and second portable terminal, it is characterized in that step S
8In the bluetooth module of first portable terminal set up the Bluetooth communication between the bluetooth module of RFCOMM Communication Realization and this second portable terminal through this UUID.
8. realize the method for Bluetooth communication between first portable terminal described in claim 5-7 and second portable terminal; It is characterized in that; The NFC communication distance of the NFC module of this first portable terminal and/or the NFC module of second portable terminal is 0-20cm, and the NFC traffic rate is 106kbps-1Mbps.
9. realize the method for Bluetooth communication between first portable terminal described in claim 5-7 and second portable terminal, it is characterized in that this NFC communication threshold value is 1Mbit.
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