CN106656278B - A kind of near field communication device and terminal device - Google Patents
A kind of near field communication device and terminal device Download PDFInfo
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- CN106656278B CN106656278B CN201611076215.7A CN201611076215A CN106656278B CN 106656278 B CN106656278 B CN 106656278B CN 201611076215 A CN201611076215 A CN 201611076215A CN 106656278 B CN106656278 B CN 106656278B
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of near field communication device and terminal devices.Wireless near field communication (NFC) device provided in an embodiment of the present invention includes: NFC antenna and NFC controller；Wherein, NFC antenna includes mutiple antennas branch, and each antenna branch is connected with NFC controller respectively；The NFC controller, for when NFC device is in idle condition, control section antenna branch to execute detection operation.The embodiment of the present invention solves the NFC device in current techniques, due to its NFC antenna problem that is in running order always, and causing the power consumption of NFC device larger；And solve when being configured at the NFC device in current techniques in terminal device, since NFC antenna is in running order always, interference can be generated to the terminal device, and cause terminal device can not normal use the problem of.
Description
Technical field
This application involves but be not limited to field of communication technology, espespecially a kind of near field communication device and terminal device.
Background technique
With the development of communication technology and make rapid progress, develops out the communication mode of different mode, gradually with contactless
Wireless near field communication based on radio frequency identification (Radio Frequency IDentification, referred to as are as follows: RFID)
(Near Field Communication, referred to as are as follows: NFC) technology is relatively broad with its convenient and fast communication mode and adaptability
Operating mode gradually becomes communication mode common in people's daily life.
NFC device in current techniques, since its NFC antenna is in operating mode always, will lead to NFC device power consumption compared with
Greatly；In addition, when the NFC device in current techniques is configured in terminal device, since NFC antenna can be with the device in terminal device
Relatively, interference can be generated to the terminal device, and causes terminal device can not normal use.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of near field communication devices and terminal to set
It is standby, to solve the NFC device in current techniques, since its NFC antenna is in running order always, and lead to the function of NFC device
Consume larger problem；And when solving to be configured at the NFC device in current techniques in terminal device, always due to NFC antenna
It is in running order, can to the terminal device generate interference, and cause terminal device can not normal use the problem of.
The embodiment of the present invention provides a kind of NFC device, and the NFC device includes: NFC antenna and NFC controller；
Wherein, the NFC antenna includes mutiple antennas branch, and each antenna branch is connected with the NFC controller respectively
It connects；
The NFC controller, for when the NFC device is in idle condition, control section antenna branch to execute inspection
Operation is surveyed, some antennas branches into the preset antenna branch for data detection signal in the NFC antenna.
Optionally, in NFC device as described above, each antenna branch in some antennas branch, for examining
When measuring data-signal, the data-signal that this antenna branch is detected is sent to the NFC controller；
The NFC controller is also used to when receiving the data-signal of antenna branch transmission, described in control
All antenna branch in NFC antenna carry out NFC communication.
Optionally, in NFC device as described above, the mutiple antennas in the NFC antenna branches into concatenated connection side
Formula, each antenna branch are electrically connected with adjacent antenna branch；Alternatively,
Mutiple antennas in the NFC antenna branches into connection type in parallel, and one end of each antenna branch connects
It is connected to first port, the other end of each antenna branch is connected to second port.
Optionally, in NFC device as described above, in the NFC antenna including cascaded structure first antenna component and
Second antenna module of parallel-connection structure；
Wherein, each antenna branch in the first antenna component is electrically connected with adjacent antenna branch, and described second
One end of each antenna branch in antenna module is connected to third port, and the other end of each antenna branch is connected to
Four ports.
Optionally, in NFC device as described above, the first antenna component and second antenna module are with concatenated
Mode is electrically connected；Alternatively,
One end of the first antenna component is connected with the third port of second antenna module, the first antenna
The other end of component is connected with the 4th port of second antenna module.
Optionally, each antenna branch and the NFC in NFC device as described above, in the NFC antenna
Switch is provided between controller；
The NFC controller is also used to by described in being arranged between the NFC controller and each antenna branch
Switch, is connected to the access or disconnect this access for switching corresponding antenna branch that this switchs corresponding antenna branch.
Optionally, in NFC device as described above, the NFC controller, for being in idle shape in the NFC device
When state, controls some antennas branch and executes detection operation, comprising:
When the NFC device is in idle condition, the access of the corresponding antenna branch of switch described in connected component, and control
It makes some antennas branch and executes detection operation.
Optionally, in NFC device as described above, the NFC controller, for receiving an antenna branch transmission
The data-signal when, control all antenna branch in the NFC antenna and carry out NFC communication, comprising:
When receiving the data-signal of antenna branch transmission, it is connected to the corresponding antenna point of each switch
The access of branch, and control all antenna branch in the NFC antenna and carry out the NFC communication.
The embodiment of the present invention also provides a kind of terminal device, is provided in the terminal device as described in any one of the above embodiments
NFC device.
Optionally, in terminal device as described above, for executing some antennas point of detection operation in the NFC device
Branch is configured at the position of the device in the terminal device far from the terminal device.
NFC device provided in an embodiment of the present invention and terminal device, including NFC antenna and NFC controller, the NFC antenna
Including mutiple antennas branch, each antenna branch is connected with NFC controller respectively, through NFC controller at the NFC device
When idle state, controls part of antenna branch and execute detection operation；Device provided in an embodiment of the present invention is by by NFC
Antenna Design is distributed antenna branch, and NFC controller independent can control each antenna branch, thus in NFC
When device is in idle condition, it can control some antennas branch in NFC antenna and execute detection operation, in most cases
Reduce the work area of antenna, to reduce the power consumption of NFC device；Further, by NFC provided in an embodiment of the present invention
When device is applied to terminal device, since the work area of in most cases antenna is smaller, to largely reduce
Interference caused by device of the NFC antenna to terminal device, the i.e. embodiment of the present invention provide device and solve in current techniques
NFC device, due to its NFC antenna problem that is in running order always, and causing the power consumption of NFC device larger, correspondingly,
It solves when being configured at the NFC device in current techniques in terminal device, since NFC antenna is in running order always, meeting
To the terminal device generate interference, and cause terminal device can not normal use the problem of.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
The hardware configuration signal of Fig. 1 each embodiment one optional mobile terminal to realize the present invention；
Fig. 2 description communication system that wherein mobile terminal according to the present invention can operate；
Fig. 3 is a kind of structural schematic diagram of NFC device provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of NFC antenna in NFC device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another NFC antenna in NFC device provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of another NFC antenna in NFC device provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another NFC antenna in NFC device provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another NFC device provided in an embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram of terminal device provided in an embodiment of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use
For indicating that member seems the suffix of such as " module ", " component " or " unit " only for being conducive to explanation of the invention, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as moving
Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP
The mobile terminal of (portable media player), navigation device etc. and such as number TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that in addition to being used in particular for moving
Except the element of purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
The hardware configuration signal of Fig. 1 each embodiment one optional mobile terminal to realize the present invention.
Mobile terminal 100 may include wireless communication unit 110, A/V (audio/video) input unit 120, user's input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown
Part.More or fewer components can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more components, allows mobile terminal 100 and wireless communication system
Or the radio communication between network.For example, wireless communication unit may include broadcasting reception module 111, mobile communication module
112, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast from external broadcast management server via broadcast channel
Relevant information.Broadcast channel may include satellite channel and/or terrestrial channel.Broadcast management server, which can be, to be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal may include TV broadcast singal, radio signals, data broadcasting
Signal etc..Moreover, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Closing information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 receives.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of digital multimedia broadcasting (DMB)
Program guide (EPG), digital video broadcast-handheld (DVB-H) electronic service guidebooks (ESG) etc. form and exist.Broadcast
Receiving module 111 can receive signal broadcast by using various types of broadcast systems.Particularly, broadcasting reception module 111
It can be wide by using such as multimedia broadcasting-ground (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video
It broadcasts-holds (DVB-H), the Radio Data System of forward link media (MediaFLO@), received terrestrial digital broadcasting integrated service
(ISDB-T) etc. digit broadcasting system receives digital broadcasting.Broadcasting reception module 111, which may be constructed such that, to be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via the received broadcast singal of broadcasting reception module 111 and/
Or broadcast related information can store in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal may include that voice is logical
Talk about signal, video calling signal or according to text and/or Multimedia Message transmission and/or received various types of data.
The Wi-Fi (Wireless Internet Access) of the support mobile terminal of wireless Internet module 113.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved in the module may include WLAN (Wireless LAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting short range communication.Some examples of short-range communication technology include indigo plant
Tooth TM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybee TM etc..
Location information module 115 is the module for checking or obtaining the location information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115, which calculates, comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, thus according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, it is defended for the method for calculating position and temporal information using three
Star and the error that calculated position and temporal information are corrected by using an other satellite.In addition, GPS module 115
It can be by Continuous plus current location information in real time come calculating speed information.
A/V input unit 120 is for receiving audio or video signal.A/V input unit 120 may include 121 He of camera
Microphone 1220, camera 121 is to the static map obtained in video acquisition mode or image capture mode by image capture apparatus
The image data of piece or video is handled.Treated, and picture frame may be displayed on display module 151.At camera 121
Picture frame after reason can store in memory 160 (or other storage mediums) or carry out via wireless communication unit 110
It sends, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can telephone calling model,
Sound (audio data) is received via microphone in logging mode, speech recognition mode etc. operational mode, and can be by this
The acoustic processing of sample is audio data.Audio that treated (voice) data can be converted in the case where telephone calling model
The format output of mobile communication base station can be sent to via mobile communication module 112.Microphone 122 can be implemented various types of
Noise eliminate (or inhibit) algorithm with eliminate noise that (or inhibition) generates during sending and receiving audio signal or
Interference.
The order that user input unit 130 can be inputted according to user generates key input data to control each of mobile terminal
Kind operation.User input unit 130 allows user to input various types of information, and may include keyboard, metal dome, touch
Plate (for example, the sensitive component of detection due to the variation of resistance, pressure, capacitor etc. caused by being contacted), idler wheel, rocking bar etc.
Deng.Particularly, when touch tablet is superimposed upon in the form of layer on display module 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes shape
State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal
100 orientation, the acceleration or deceleration movement of mobile terminal 100 and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.For example, sensing unit 140 can sense when mobile terminal 100 is embodied as sliding-type mobile phone
The sliding-type phone is to open or close.In addition, sensing unit 140 be able to detect power supply unit 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).
Interface unit 170 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be storage and use each of mobile terminal 100 for verifying user
It plants information and may include subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM)
Etc..In addition, the device (hereinafter referred to as " identification device ") with identification module can take the form of smart card, therefore, know
Other device can be connect via port or other attachment devices with mobile terminal 100.Interface unit 170, which can be used for receiving, to be come from
The input (for example, data information, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connect with external base, interface unit 170 may be used as allowing will be electric by it
Power, which is provided from pedestal to the path or may be used as of mobile terminal 100, allows the various command signals inputted from pedestal to pass through it
It is transferred to the path of mobile terminal.The various command signals or electric power inputted from pedestal, which may be used as mobile terminal for identification, is
The no signal being accurately fitted on pedestal.Output unit 150 is configured to provide with vision, audio and/or tactile manner defeated
Signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.) out.Output unit 150 may include display
Module 151, audio output module 152, alarm modules 153 etc..
Display module 151 may be displayed on the information handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity
When talking about call mode, display module 151 can show and converse or other communicate (for example, text messaging, multimedia file
Downloading etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling mode
Or when image capture mode, display module 151 can show captured image and/or received image, show video or figure
Picture and the UI or GUI of correlation function etc..
Meanwhile when display module 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display module
151 may be used as input unit and output device.Display module 151 may include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to watch from outside, this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired embodiment, mobile terminal 100 may include two or more display units (or other display devices), for example, moving
Dynamic terminal may include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detecting touch
Input pressure and touch input position and touch input area.
Audio output module 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is when under the isotypes such as speech recognition mode, broadcast reception mode, wireless communication unit 110 is received or in memory 160
The audio data transducing audio signal of middle storage and to export be sound.Moreover, audio output module 152 can provide and movement
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 executes.
Audio output module 152 may include loudspeaker, buzzer etc..
Alarm modules 153 can provide output notifying event to mobile terminal 100.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..Other than audio or video output, alarm modules
153 can provide output in different ways with the generation of notification event.For example, alarm modules 153 can be in the form of vibration
Output is provided, when receiving calling, message or some other entrance communications (incomingcommunication), alarm mould
Block 153 can provide tactile output (that is, vibration) to notify to user.By providing such tactile output, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm modules 153
The output of the generation of notification event can be provided via display module 151 or audio output module 152.
Memory 160 can store the software program etc. of the processing and control operation that are executed by controller 180, Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And memory 160 can store about the vibrations of various modes and audio signal exported when touching and being applied to touch screen
Data.
Memory 160 may include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more
Media card, card-type memory (for example, SD or DX memory etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can execute memory with by network connection
The network storage device of 160 store function cooperates.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 executes and voice communication, data
Communication, video calling etc. relevant control and processing.In addition, controller 180 may include for reproducing (or playback) more matchmakers
The multi-media module 181 of volume data, multi-media module 181 can construct in controller 180, or can be structured as and control
Device 180 separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executed on the touchscreen or picture
It draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member
Electric power appropriate needed for part and component.
Various embodiments described herein can be to use the calculating of such as computer software, hardware or any combination thereof
Machine readable medium is implemented.Hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to execute function described herein processor
At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
For software implementation, the embodiment of such as process or function can with allow to execute the individual of at least one functions or operations
Software module is implemented.Software code can by the software application (or program) write with any programming language appropriate Lai
Implement, software code can store in memory 160 and be executed by controller 180.
So far, oneself is through describing mobile terminal according to its function.In the following, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc., which is used as, to be shown
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 may be constructed such that using via frame or grouping send data it is all if any
Line and wireless communication system and satellite-based communication system operate.
Referring now to Fig. 2 description communication system that wherein mobile terminal according to the present invention can operate.
Different air interface and/or physical layer can be used in such communication system.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (particularly, long term evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such introduction is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system may include multiple mobile terminals 100, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
Back haul link can be constructed according to any in several known interfaces, and the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system may include multiple BSC2750 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of direction specific direction
Each subregion of line covering is radially far from BS270.Alternatively, each subregion can be by two or more for diversity reception
Antenna covering.Each BS270, which may be constructed such that, supports multiple frequency distribution, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed, which intersects, can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly indicating single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Alternatively, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal operated in system by broadcsting transmitter (BT) 295
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 100 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.The help of satellite 300 positions multiple mobile terminals
At least one of 100.
In Fig. 2, multiple satellites 300 are depicted, it is understood that, it is useful to can use any number of satellite acquisition
Location information.GPS module 115 as shown in Figure 1 is generally configured to cooperate with satellite 300 to obtain desired positioning and believe
Breath.It substitutes GPS tracking technique or except GPS tracking technique, the other of the position that can track mobile terminal can be used
Technology.In addition, at least one 300 property of can choose of GPS satellite or extraly processing satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100
Signal.Mobile terminal 100 usually participates in call, information receiving and transmitting and other types of communication.Certain base station 270 is received each anti-
It is handled in specific BS270 to link signal.The data of acquisition are forwarded to relevant BSC275.BSC provides call
The mobile management function of resource allocation and the coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to MSC280 is routed to, the additional route service for forming interface with PSTN290 is provided.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 controls BS270 correspondingly with by forward link signals
It is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each implementation of apparatus of the present invention and method is proposed
Example.To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention
Example is described in detail.It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application
It can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
NFC device in current techniques is commonly configured with independent NFC antenna, and the NFC antenna branches into whole set
Meter, and the communication task under above-mentioned multiple-working mode is realized by controller control NFC antenna；In addition, current techniques
NFC antenna in NFC device is in running order always, so that the power consumption of NFC device is higher.On the other hand, due to NFC communication
Popularization it is higher and higher, it is already possible to by the NFC device in current techniques be applied to terminal device in so that being configured with
The function of NFC communication may be implemented in the terminal device of NFC device, for example, if being configured with NFC device in smart phone, it should
Smart phone can be used as the card reader of NFC communication or data card uses, and the terminal of NFC device can also be configured with another
Equipment realizes point-to-point communication.However, the requirement due to terminal device to portability, when configuring NFC device in terminal device,
The NFC antenna of the NFC device can be with the device in terminal device relatively, and since NFC antenna is in work shape always
State can generate interference to the device of terminal device, to influence the normal use of terminal device.Therefore, NFC device how is reduced
Power consumption, and when NFC device is configured in terminal device, how to reduce the interference that the NFC device generates terminal device,
The problem of as current urgent need to resolve.
Technical solution of the present invention is described in detail below by specific embodiment, the following embodiment of the present invention
In terminal device can be mobile terminal, for example, smart phone, personal digital assistant (Personal Digital
Assistant, referred to as are as follows: PDA) or tablet computer etc..The present invention provides following specific embodiment and can be combined with each other,
The same or similar concept or process may be repeated no more in some embodiments.
Fig. 3 is a kind of structural schematic diagram of NFC device provided in an embodiment of the present invention.NFC provided in an embodiment of the present invention
In the case where device is adapted for carrying out short-range communication, which is usually realized in method that hardware and software combines,
The device can integrate in the controller of terminal device, can be called by controller.As shown in figure 3, provided in this embodiment
NFC device 300 may include: NFC antenna 310 and NFC controller 320.
Wherein, NFC antenna 310 includes mutiple antennas branch 311, and each antenna branch 311 is connected with controller respectively；
NFC controller 320, for when NFC device 300 is in idle condition, control section antenna branch 311 to execute detection operation；
Wherein, which branches into the preset antenna branch for data detection signal in NFC antenna.
NFC device 300 provided in an embodiment of the present invention provides a kind of specific structure of device for realizing NFC communication.
NFC device 300 provided in an embodiment of the present invention is also configured with independent NFC antenna 310, which is led to
Cross the various operating modes that its independent NFC antenna 310 realizes NFC communication.NFC communication includes three kinds of operating modes, is respectively as follows:
Read-write mode (Reader/writer mode), ad hoc mode (Peer-to-Peer mode, referred to as are as follows: P2P mode), card
Mode (Card emulation).Three kinds of operating modes of NFC communication are made briefly to introduce individually below:
(1), read-write mode (Reader/writer mode): NFC device 300 can be used as contactless card reader use,
For example, reading relevant information from poster or Exhibition Information electronic tag；Also the terminal configured with NFC function may be implemented to set
Data exchange between standby, for the file-sharing in corporate environment, or the game application for multiplayer, it will all bring
Many conveniences.
(2), ad hoc mode (P2P mode): the mode is similar to infrared ray and bluetooth, and NFC device 300 can be used for counting
According to exchange, only transmission range is shorter, transmission creation fast speed, transmission speed is also very fast, power consumption is lower；Two are configured with
The terminal device wireless link of NFC function is able to achieve data point-to-point transmission, such as down-load music, exchange picture or synchronization
Device address is thin.Therefore, it by NFC function, is ok between multiple terminal devices such as digital camera, PDA, computer and mobile phone
Swap date or service.
(3), mode card (Card emulation): NFC device 300 in this mode, is equivalent to one and uses RFID skill
The integrated circuit card (Integrated Circuit Card, referred to as are as follows: IC card) of art, can substitute what a large amount of IC card used
Occasion, for example, purchase card, bus card, gate inhibition's control card, ticket card, entrance ticket card and credit card etc. that market uses.?
Under the operating mode, have the advantages that one very big, that is, card (i.e. NFC device 300) can pass through contactless card reader
Region powers radio frequency (Radio Frequency, referred to as are as follows: RF), even if being configured with terminal device (such as hand of NFC device 300
Machine) it is out of power when NFC communication function also may be implemented.
In embodiments of the present invention, NFC antenna 310 is not designed to an entirety, but the NFC antenna 310 is set
Be calculated as mutiple antennas branch 311, also, each antenna branch 311 is used as an independent individual, respectively with NFC controller
320 are connected, that is, illustrate that NFC controller 320 can be controlled separately each antenna branch 311, therefore, in the embodiment of the present invention
Each antenna branch 311 of NFC antenna 310 can realize independent operation task when executing NFC communication.For example, part day
Line branch 311 for detecting whether receive NFC communication it is believed that number；Some antennas branch 311 is used to execute NFC communication
When, the read-write operation to data card is realized under read-write mode；Some antennas branch 311 is used for when executing NFC communication, in point
Operation to data transmission is realized under dot pattern；Some antennas branch 311 is used for when executing NFC communication, repairs under mode card
Transform the data information in the NFC device 300 for card into.It should be noted that being not intended to limit NFC antenna 310 in the present embodiment
The specific structure of middle mutiple antennas branch 311, the layout of mutiple antennas branch 311 can be designed as the distributed day of diversified forms
Line, the structure of NFC antenna 310 shown in Fig. 3 are only the signals being connected respectively with NFC controller 320 to each antenna branch 311
Property explanation.
It is above-mentioned to have been described above since NFC antenna 310 is designed as the structure of mutiple antennas branch 311 in the embodiment of the present invention,
And each antenna branch 311 is connected with NFC controller 320 respectively, can be by NFC controller 320 to each antenna branch
311 are independently controlled.Under a kind of common application scenarios, i.e., NFC device 300 handles idle state, which refers to
NFC device 300 is currently without the data service needed to be implemented.It should be understood that NFC device 300 is only with data service
Demand when, just execute NFC communication, i.e., data service is executed under above-mentioned three kinds of operating modes, if the institute in NFC device 300
There is antenna to remain that working condition, the i.e. work area of antenna are always the gross area of NFC antenna 310, then can NFC be filled
Set 300 power consumption it is higher；Based on the above issues, in NFC device 300 provided in an embodiment of the present invention, NFC controller 320 can be with
When NFC device 300 is in idle condition, only controls some antennas branch 311 in NFC antenna 310 and execute detection operation, and
It controls other antenna branch 311 and is not in working condition.It is apparent that NFC days in NFC device 300 provided in an embodiment of the present invention
The working method of line 310 can bring following effect, i.e., in NFC device 300 in idle state, the work area of antenna is much
Less than the gross area of NFC antenna 310, therefore, the power consumption of NFC device 300 can be largely reduced.
It should be noted that when being designed to carry out some antennas branch 311 of detection operation, it is contemplated that the part day
Line branch 311 executes detection operation always, equally can generate interference to the device of terminal device, can be by some antennas branch
311 are configured at the device remote position with terminal device, to reduce on influence caused by terminal device.
Optionally, in a kind of application scenarios of the embodiment of the present invention, NFC controller 320 is controlled in NFC antenna 310
The implementation that some antennas branch 311 executes detection operation can be that above-mentioned some antennas branch 311 is used for while detection three
Data-signal in kind of operating mode, for example, detected whether simultaneously under read-write mode data card close to NFC device 300,
Whether NFC device 300 is detected simultaneously close to card reader under mode card, and detecting this NFC device 300 simultaneously in ad hoc mode is
No close another NFC device 300 with data transfer demands.In the application scenarios, due to executing the portion of detection operation
Divided antenna branch 311 can be one or more antenna branch for executing identical detection operation, some antennas branch 311
311。
Optionally, in a kind of application scenarios of the embodiment of the present invention, NFC controller 320 is controlled in NFC antenna 310
The implementation that some antennas branch 311 executes detection operation can be some antennas branch 311 of above-mentioned execution detection operation
In, first antenna branch 311 is used to detect the data-signal under read-write mode, and the second antenna branch 311 is for detecting mode card
Under data-signal, third antenna branch 311 is used to detect data-signal under ad hoc mode.In the application scenarios, by
It is used to execute the detection operation under three kinds of different working modes, the part day in some antennas branch 311 for executing detection operation
Line branch 311 includes at least three antenna branch 311.
It should be noted that some antennas branch 311 that above-mentioned NFC controller 320 controls in NFC antenna 310 executes inspection
The implementation for surveying operation is only illustrative explanation, and the NFC controller 320 in the embodiment of the present invention can also pass through other points
Class mode control section antenna branch 311 executes detection operation, as long as can control in the case where NFC device 300 is in idle condition
Some antennas branch 311 in NFC antenna 310 processed executes detection operation, to realize the effect for reducing Antenna Operation area,
In a manner of executing detection operation as 320 control section antenna branch 311 of NFC controller in the embodiment of the present invention.
In the NFC device use process of current techniques, NFC antenna 310 therein is in running order always, i.e. antenna
Work area is always the gross area of NFC antenna 310, so that the power consumption of NFC device 300 is higher；It on the other hand, will be current
When NFC device in technology is applied in terminal device, since the NFC antenna 310 of NFC device is compared with the device of terminal device
It is close, for example, due to the small volume of smart phone, when by the setting of NFC device with smart phone, 310 meeting of NFC antenna and intelligence
Can the camera of mobile phone, display screen, touch screen and terminal device the devices such as antenna relatively, and due to NFC antenna
310 work area is larger, interference can be generated to the device of smart phone, to influence the normal use of terminal device.
Compared to the NFC device in current techniques, NFC device 300 provided in an embodiment of the present invention, by by NFC antenna
310 are designed as distributed mutiple antennas branch 311, and each antenna branch 311 is connected with NFC controller 320, can
To control each antenna branch 311 by NFC controller 320 is independent, to only be controlled when NFC device 300 is in idle condition
Zhi Qi some antennas branch 311 executes detection operation, i.e., so that the work area of antenna is far smaller than NFC days in most time
The gross area of line 310, equally the Antenna Operation area in the NFC device far smaller than in current techniques, largely drop
The low power consumption of NFC device 300.On the other hand, NFC device 300 provided in an embodiment of the present invention is applied in terminal device
When, since the work area of the antenna under the idle state of NFC device 300 is smaller, i.e. the in most cases work of antenna
Area is smaller, therefore, can largely reduce interference caused by device of the NFC antenna 310 to terminal device.
NFC device provided in an embodiment of the present invention, including NFC antenna and NFC controller, the NFC antenna include multiple days
Line branch, each antenna branch are connected with NFC controller respectively, are in idle condition by NFC controller in the NFC device
When, it controls part of antenna branch and executes detection operation；Device provided in an embodiment of the present invention is by the way that NFC antenna to be designed as
Distributed antenna branch, and NFC controller independent can control each antenna branch, to be in sky in NFC device
When not busy state, it can control some antennas branch in NFC antenna and execute detection operation, in most cases reduce antenna
Work area, to reduce the power consumption of NFC device；Further, NFC device provided in an embodiment of the present invention is applied to
When terminal device, since the work area of in most cases antenna is smaller, to largely reduce NFC antenna to end
Interference caused by the device of end equipment, the i.e. embodiment of the present invention provide device and solve the NFC device in current techniques, due to
Its NFC antenna problem that is in running order always, and causing the power consumption of NFC device larger, correspondingly, also solving will be current
It, can be to the terminal device since NFC antenna is in running order always when NFC device in technology is configured in terminal device
Generate interference, and cause terminal device can not normal use the problem of.
Optionally, in embodiments of the present invention, for executing some antennas branch 311 of detection operation in NFC device 300
In each antenna branch 311, for when detecting data-signal, the data-signal that this antenna branch 311 is detected is sent out
Give NFC controller 320；
Correspondingly, NFC controller 320 are also used to the control when receiving the data-signal of an antenna branch 311 transmission
All antenna branch 311 in NFC antenna 310 processed execute traffic operation.
In embodiments of the present invention, it is configured to execute the antenna branch 311 of detection operation in NFC antenna 310, be used for
When NFC device 300 is in idle condition, whether have data-signal, if one of antenna branch if detecting under three kinds of operating modes
311 detect data-signal, then illustrate that the NFC device 300 under mode card is filled close to the NFC under card reader or read-write mode
The close another NFC device 300 with data service of 300 NFC device 300 close under data card or ad hoc mode is set,
It then needs to carry out NFC communication, therefore, receives the data letter that one of antenna branch 311 is sent in NFC controller 320
Number when, be ready to carry out NFC communication, i.e., all antennas in control NFC antenna 310 carry out NFC communication.
Optionally, Fig. 4 is a kind of structural schematic diagram of NFC antenna in NFC device provided in an embodiment of the present invention.This implementation
Mutiple antennas branch 311 in the NFC antenna 310 of example is designed as concatenated connection type, wherein each antenna branch 311 with
Adjacent antenna branch 311 is electrically connected.
In embodiments of the present invention, mutiple antennas branch 311 is connected in a manner of being sequentially connected, adjacent antenna branch
Junction between 311 can be direct-connected or lotus root and connect, as long as can be achieved on all antenna branch 311 shape in series
At NFC antenna 310, and each antenna branch 311 is the antenna structure of independent individual.The embodiment of the present invention is unlimited
The specific structure of each antenna branch 311 in NFC antenna 310 processed, the NFC antenna 310 in NFC device 300 shown in Fig. 4 are only shown
Meaning property explanation.
Optionally, Fig. 5 is the structural schematic diagram of another NFC antenna in NFC device provided in an embodiment of the present invention.This reality
The mutiple antennas branch 311 applied in the NFC antenna 310 of example is designed as connection type arranged side by side, wherein each antenna branch 311
One end be connected to first port 312, the other end of each antenna branch 311 is connected to second port 313.
In embodiments of the present invention, mutiple antennas branch 311 forms the overall structure of NFC antenna 310 in parallel,
And each antenna branch 311 is independent individual, and NFC antenna 310 can pass through first port 312 or second port 313
It is connected with NFC controller 320, actually each antenna branch 311 is connected with NFC controller 320.The present invention is implemented
Example does not limit the specific structure of each antenna branch 311 in NFC antenna 310, the NFC antenna 310 in NFC device 300 shown in Fig. 5
Only schematically illustrate.
Optionally, in embodiments of the present invention, a kind of structure of NFC antenna 310, i.e. NFC days of the present embodiment are also provided
Second antenna module 340 of first antenna component 330 and parallel-connection structure in line 310 including cascaded structure, wherein first antenna
Each antenna branch 311 in component 330 is electrically connected with adjacent antenna branch 311, each day in the second antenna module 340
One end of line branch 311 is connected to third port, and the other end of each antenna branch 311 is connected to the 4th port.The present embodiment
The structure of middle first antenna component 330 can join with reference to the NFC antenna 310 in Fig. 4, the structure of the second antenna module 340
Examine the NFC antenna 310 in Fig. 5.
In a kind of implementation of the present embodiment, as shown in fig. 6, in NFC device provided in an embodiment of the present invention again
A kind of structural schematic diagram of NFC antenna.In NFC antenna 310 shown in Fig. 6, first antenna component 330 and the second antenna module 340
It is electrically connected in series.Embodiment illustrated in fig. 6 is the structure of NFC antenna 310 shown in Fig. 4 with first antenna component 330,
It is shown so that the second antenna module 340 is the structure of NFC antenna 310 shown in fig. 5 as an example, the present embodiment is not intended to limit first
The specific structure of antenna module 330 and the second antenna module 340.
In a kind of implementation of the present embodiment, as shown in fig. 7, in NFC device provided in an embodiment of the present invention again
A kind of structural schematic diagram of NFC antenna.In NFC antenna 310 shown in Fig. 7, first antenna component 330 and the second antenna module 340
It is connected in parallel, i.e., one end of first antenna component 330 is connected with the third port 314 of the second antenna module 340
It connects, the other end of first antenna component 330 is connected with the 4th port 315 of the second antenna module 340.Embodiment illustrated in fig. 7
It take first antenna component 330 as the structure of NFC antenna 310 shown in Fig. 3, with the second antenna module 340 for NFC shown in fig. 5
It is shown for the structure of antenna 310, and the connection relationship of first antenna component 330 and the second antenna module 340 is shown, this
Embodiment is not intended to limit the specific structure of first antenna component 330 and the second antenna module 340.
It should be noted that the structure of Fig. 4 to various NFC antennas 310 shown in Fig. 7 is only to realize the embodiment of the present invention
The optionally implementation of NFC antenna 310 in NFC device 300, does not limit NFC antenna 310 in the embodiment of the present invention with this
Specific structure.
Optionally, Fig. 8 is the structural schematic diagram of another NFC device provided in an embodiment of the present invention.In above-mentioned each implementation
Each antenna branch 311 and NFC control on the basis of example, in NFC device 300 provided in this embodiment, in NFC antenna 310
Switch 316 is provided between device 320 processed.
NFC controller 320 in the present embodiment, be also used to by the NFC controller 320 and each antenna branch 311 it
Between the switch 316 that is arranged, be connected to the access of the corresponding antenna branch 311 of this switch 316 or disconnect the corresponding antenna of this switch 316
The access of branch 311.
In embodiments of the present invention, the realization side that a kind of NFC controller 320 controls different antennae branch 311 respectively is provided
Switch 316 is arranged in formula that is, between each antenna branch 311 and NFC controller 320, if some switch of controller control closure
316, that is, it is connected to the connection of the corresponding antenna branch 311 of the switch, which is in working condition；If controller controls
Some switch 316 is disconnected, that is, disconnects the connection of the corresponding antenna branch 311 of switch 316, which is not in work
Make state.
It should be noted that embodiment described in Fig. 8 is shown in the structure basis of NFC antenna 310 shown in Fig. 5
Out.In practical applications, the NFC antenna 310 in NFC device 300 shown in Fig. 8 could alternatively be Fig. 4, Fig. 6 or shown in Fig. 7
NFC antenna 310, wherein the setting principle of switch 316 is constant, i.e., sets between each antenna branch 311 and NFC controller 320
It is equipped with switch 316.
Optionally, in the present embodiment, NFC controller 320 is used for the control unit when NFC device 300 is in idle condition
Divided antenna branch 311 executes the implementation of detection operation, may include: the connection when NFC device 300 is in idle condition
The access of the corresponding antenna branch 311 of partial switch 316, and control section antenna branch 311 executes detection operation.
In the present embodiment, due to NFC controller 320 by the switch 316 that is arranged between each antenna branch 311 come
The working condition of each antenna branch 311 is controlled, i.e., executes detection when NFC controller 320 needs to control certain antenna branch 311
When operation, it can be connected to the access of those antenna branch 311 and NFC controller 320, be actually closed those antenna branch
311 corresponding switches 316.
Optionally, in the present embodiment, NFC controller 320 is used in the data for receiving the transmission of an antenna branch 311
When signal, the implementation that all antenna branch 311 in NFC antenna 310 carry out NFC communication is controlled, may include: to receive
When the data-signal sent to an antenna branch 311, it is connected to the access of the corresponding antenna branch 311 of each switch 316, and is controlled
All antenna branch 311 in NFC antenna 310 processed carry out NFC communication.
In the present embodiment, due to NFC controller 320 by the switch 316 that is arranged between each antenna branch 311 come
The working condition of each antenna branch 311 is controlled, i.e., when NFC controller 320 receives data-signal, expression need to currently have
The data service of NFC communication, for example, the NFC device 300 under mode card is close to card reader, or the NFC under read-write mode
Device 300 is close to data card, or NFC device 300 under ad hoc mode is close to another NFC device 300, at this point, NFC
Controller 320 needs to control all antenna branch 311 in NFC antenna 310 and carries out NFC communication, can be by being connected to all days
The access of line branch 311 and NFC controller 320 is actually closed the corresponding switch 316 of all antenna branch 311.
The embodiment of the present invention also provides a kind of terminal device, and Fig. 9 is a kind of terminal device provided in an embodiment of the present invention
Structural schematic diagram.In the case where terminal device provided in an embodiment of the present invention is adapted for carrying out short-range communication.As shown in figure 9,
The NFC device 300 as shown in any embodiment in above-mentioned Fig. 4 to Fig. 8 is provided in terminal device 30 provided in this embodiment.
Terminal device 30 provided in an embodiment of the present invention can be mobile terminal, for example, smart phone, PDA or plate electricity
The equipment such as brain may be used to execute mode card, read-write mode and point-to-point as long as the portable terminal device 30 of user
In NFC communication under mode；Terminal device 30 provided in an embodiment of the present invention is also possible to personal computer (Personal
Computer, referred to as are as follows: PC) or reader device, it can be used for executing the NFC communication under read-write mode and ad hoc mode
In.
Terminal device provided in an embodiment of the present invention should configured with the NFC device including NFC antenna and NFC controller
NFC antenna includes mutiple antennas branch, and each antenna branch is connected with NFC controller respectively, by NFC controller at this
When NFC device is in idle condition, controls part of antenna branch and execute detection operation；Terminal provided in an embodiment of the present invention
In the NFC device of equipment, by the way that NFC antenna is designed as distributed antenna branch, and NFC controller independent can be controlled
Each antenna branch is made, so that some antennas branch that can control in NFC antenna holds when NFC device is in idle condition
Row detection operation, in most cases reduces the work area of antenna, to reduce the power consumption of NFC device；In addition, this
The terminal device that inventive embodiments provide, since the work area of the in most cases antenna of NFC device is smaller, thus very
It reduces in big degree and is interfered caused by device of the NFC antenna to terminal device, i.e., the embodiment of the present invention provides terminal device solution
NFC device in current techniques of having determined since its NFC antenna is in running order always, and causes the power consumption of NFC device larger
The problem of, correspondingly, also solve when being configured at the NFC device in current techniques in terminal device, always due to NFC antenna
It is in running order, can to the terminal device generate interference, and cause terminal device can not normal use the problem of.
Optionally, in embodiments of the present invention, it will can be used to execute some antennas of detection operation in NFC device 300
Branch 311 is configured at the position that the device from terminal device 30 is far somebody's turn to do in terminal device 30.For example, the work pair of NFC antenna 310
The generated interference of camera, display screen, touch screen and the antenna of terminal device 30 is larger, then designer is in design NFC
When antenna 310, NFC antenna 310 is configured at the position far from the above-mentioned device of terminal device 30 as far as possible, further, due to
Most antenna branch 311 in NFC antenna 310 are not in working condition when NFC device 300 is in idle condition, therefore,
Interference will not be generated to the device of terminal device 30, only part is for executing the antenna branch of detection operation in NFC device 300
311 is in running order always, although the antenna area of some antennas branch 311 is smaller, it is already possible to largely
The interference generated to the device of terminal device 30 is reduced, designer is in some antennas branch for being designed to carry out detection operation
When 311 placement position, further some antennas branch 311 can be configured at farther away with the device of terminal device 30
Position, to further reduce to interference caused by terminal device 30.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (8)
1. a kind of near field communication device, which is characterized in that the wireless near field communication NFC device includes: NFC antenna
And NFC controller；
Wherein, the NFC antenna includes mutiple antennas branch, and each antenna branch passes through between the NFC controller respectively
Switch connection；
The NFC controller, for the switch by being arranged between the NFC controller and each antenna branch,
It is connected to the access or disconnect this access for switching corresponding antenna branch that this switchs corresponding antenna branch；
The NFC controller, for switching corresponding antenna described in connected component when the NFC device is in idle condition
The access of branch, and control section antenna branch executes detection operation, some antennas branches into the NFC antenna in advance
The antenna branch for data detection signal of setting.
2. near field communication device according to claim 1, which is characterized in that every in some antennas branch
A antenna branch, for when detecting data-signal, the data-signal that this antenna branch is detected to be sent to the NFC control
Device processed；
The NFC controller is also used to control the NFC when receiving the data-signal of antenna branch transmission
All antenna branch in antenna carry out NFC communication.
3. near field communication device according to claim 1, which is characterized in that multiple days in the NFC antenna
Line branches into concatenated connection type, and each antenna branch is electrically connected with adjacent antenna branch；Alternatively,
Mutiple antennas in the NFC antenna branches into connection type in parallel, and one end of each antenna branch is connected to
The other end of first port, each antenna branch is connected to second port.
4. near field communication device according to claim 1, which is characterized in that include series connection in the NFC antenna
The first antenna component of structure and the second antenna module of parallel-connection structure；
Wherein, each antenna branch in the first antenna component is electrically connected with adjacent antenna branch, second antenna
One end of each antenna branch in component is connected to third port, and the other end of each antenna branch is connected to the 4th end
Mouthful.
5. near field communication device according to claim 4, which is characterized in that the first antenna component and described
Second antenna module is electrically connected in series；Alternatively,
One end of the first antenna component is connected with the third port of second antenna module, the first antenna component
The other end be connected with the 4th port of second antenna module.
6. near field communication device according to any one of claims 1 to 5, which is characterized in that the NFC control
Device, for controlling all antennas point in the NFC antenna when receiving the data-signal of antenna branch transmission
Zhi Jinhang NFC communication, comprising:
When receiving the data-signal of antenna branch transmission, it is connected to the corresponding antenna branch of each switch
Access, and control all antenna branch in the NFC antenna and carry out the NFC communication.
7. a kind of terminal device, which is characterized in that be arranged in the terminal device just like described in any one of claim 1~6
Wireless near field communication NFC device.
8. terminal device according to claim 7, which is characterized in that for executing detection operation in the NFC device
The position of device of some antennas branch configuration in the terminal device far from the terminal device.
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| CN108184274B (en) * | 2017-12-08 | 2020-07-17 | 北京小米松果电子有限公司 | Method and device for communication between devices and readable storage medium |
| FR3098067B1 (en) | 2019-06-25 | 2022-12-23 | St Microelectronics Rousset | NFC device detection |
| CN112396709B (en) * | 2020-11-13 | 2022-12-06 | Oppo广东移动通信有限公司 | Terminal interaction method and device based on ultra-wideband communication, medium and electronic equipment |
| CN112736416B (en) * | 2020-12-23 | 2023-06-20 | Oppo广东移动通信有限公司 | Antenna device and electronic equipment |
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| CN104412452A (en) * | 2012-07-03 | 2015-03-11 | 三星电子株式会社 | Apparatus and method for operating antennas |
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