CN106231545A - Reduce the method and device of near-field communication module power consumption - Google Patents
Reduce the method and device of near-field communication module power consumption Download PDFInfo
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- CN106231545A CN106231545A CN201610842400.6A CN201610842400A CN106231545A CN 106231545 A CN106231545 A CN 106231545A CN 201610842400 A CN201610842400 A CN 201610842400A CN 106231545 A CN106231545 A CN 106231545A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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- 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
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- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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- 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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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
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Abstract
The invention discloses a kind of method and device reducing near-field communication module power consumption, the method includes: when near field communication (NFC) function is opened, and built-in near-field communication module current mode of operation is when being preset high power consumption mode, open preset timer, in preset time period when this timer, whether the radio-frequency (RF) magnetic field field intensity detecting this near-field communication module changes, if the radio-frequency (RF) magnetic field field intensity of this near-field communication module does not changes, then close this high power consumption mode, and retain low-power consumption mode.The method and device of reduction near-field communication module power consumption disclosed by the invention, it is possible to reduce the power consumption of near-field communication module, it is also possible to extend the stand-by time of the mobile terminal at this near-field communication module place.
Description
Technical field
The invention belongs to wireless communication field, particularly relate to a kind of method and device reducing near-field communication module power consumption.
Background technology
Near-field communication (NFC, Near Field Communication) technology be by non-contact radio-frequency identification (RFID,
Radio Frequency Identification) technology and the Technology Integration that interconnects develop.Near-field communication is a kind of
The radiotechnics of short distance high frequency, in distance of reaction is 10cm.The operating frequency of NFC technique is 13.56MHz, in short distance
The electronic equipment with NFC function can be identified exchanging with data.NFC technique is widely used at present: airport is stepped on
The application such as machine checking, gate inhibition's key, traffic all-purpose card, the credit card, quick payment.
In prior art, after the NFC function of mobile terminal is opened, built-in NFC module needs constantly to export sensing
Whether signal senses has external NFC devices, causes the consumption of electricity, thus increases the power consumption of this NFC module, decreases movement
Terminal standby time so that mobile terminal cannot open NFC function for a long time, makes troubles to user operation.
Summary of the invention
The present invention provides a kind of method and device reducing near-field communication power consumption, it is intended to solve because of near field built-in in terminal
The power consumption increasing this near-field communication module that communication module constantly exports induced signal and causes, decreases mobile terminal standby
Time so that mobile terminal cannot open NFC function, the problem made troubles to user operation for a long time.
First aspect present invention provides a kind of method reducing near-field communication module power consumption, and described method includes: when closely
Communication function is opened, and when the current mode of operation of built-in near-field communication module is preset high power consumption mode, opens pre-
The timer put, in the preset time period when described timer, detects the radio-frequency (RF) magnetic field field intensity of described near-field communication module
Whether change, if the radio-frequency (RF) magnetic field field intensity of described near-field communication module does not changes, then close described high power consumption mode,
And retain low-power consumption mode.
Second aspect present invention provides a kind of device reducing near-field communication module power consumption, and described device includes: open
Module, detection module and closedown module；Opening module is for opening when near field communication (NFC) function, and the work that near-field communication module is current
When operation mode is preset high power consumption mode, open preset timer；Pre-for when described timer of detection module
Putting in the time period, whether the radio-frequency (RF) magnetic field field intensity detecting described near-field communication module changes；If closing module for described
The radio-frequency (RF) magnetic field field intensity of near-field communication module does not changes, then close described high power consumption mode, and retain low-power consumption mode.
The method and device reducing near-field communication power consumption module that the present invention provides, when near field communication (NFC) function is opened and interior
When the current mode of operation of the near-field communication module put is preset high power consumption mode, open preset timer, and at this meter
Time device timing preset time period in, whether the radio-frequency (RF) magnetic field field intensity detecting this near-field communication module changes, if this near field
The radio-frequency (RF) magnetic field field intensity of communication module does not changes, then close this high power consumption mode, and retain low-power consumption mode, so simultaneously
Open preset high power consumption mode and timer, when this timer exceedes preset time period, and the radio-frequency magnetic of near-field communication module
When field field intensity does not changes, close high power consumption mode, it is possible to reduce the power consumption of near-field communication module, it is also possible to extend this near field
The stand-by time of the mobile terminal at communication module place.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention.
Fig. 1 is the structured flowchart of a kind of mobile terminal；
Fig. 2 is that the flow process that realizes of the method for the reduction near-field communication module power consumption that first embodiment of the invention provides is illustrated
Figure；
Fig. 3 is that the flow process that realizes of the method for the reduction near-field communication module power consumption that second embodiment of the invention provides is illustrated
Figure；
Fig. 4 is the structural representation of the device of the reduction near-field communication module power consumption that third embodiment of the invention provides；
Fig. 5 is the structural representation of the device of the reduction near-field communication module power consumption that fourth embodiment of the invention provides.
Detailed description of the invention
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described reality
Executing example is only a part of embodiment of the present invention, and not all embodiments.Based on the embodiment in the present invention, people in the art
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Fig. 1 shows the structured flowchart of a kind of mobile terminal.The reduction near-field communication module merit that the embodiment of the present invention provides
The method of consumption, can be applicable in mobile terminal 10 as shown in Figure 1, and mobile terminal 10 can be, but not limited to include: need to rely on electricity
Pond remains properly functioning, supports network and download function and the smart mobile phone of NFC function, computer, panel computer, wearing intelligence
Equipment, digital still camera and personal digital assistant (PDA, Personal Digital Assistant) etc..
As it is shown in figure 1, mobile terminal 10 includes memorizer 101, storage control 102, one or more (figure only illustrates
One) processor 103, Peripheral Interface 104, radio-frequency module 105, key-press module 106, audio-frequency module 107 and Touch Screen
108.These assemblies pass through the mutual communication of one or more communication bus/holding wire 109.
Being appreciated that the structure shown in Fig. 1 is only signal, the structure of mobile terminal 10 is not caused restriction by it.Mobile
Terminal 10 may also include the assembly more or more less than shown in Fig. 1, or has the configuration different from shown in Fig. 1.Shown in Fig. 1
Each assembly hardware, software or a combination thereof can be used to realize.
Memorizer 101 can be used for storing software program and module, such as the reduction near-field communication mould in the embodiment of the present invention
The method of block power consumption and the programmed instruction/module of mobile terminal 10 correspondence, processor 103 is stored in memorizer 101 by operation
Interior software program and module, thus perform the application of various function and data process, i.e. realize above-mentioned reduction near field and lead to
The method of letter module dissipation.
Memorizer 101 can include high speed random access memory, may also include nonvolatile memory, such as one or more magnetic
Property storage device, flash memory or other non-volatile solid state memories.In some instances, memorizer 101 can farther include
The memorizer remotely located relative to processor 103, these remote memories can be connected to mobile terminal 10 by network.On
The example stating network includes but not limited to the Internet, intranet, LAN, mobile radio communication and combinations thereof.Processor 103
And the access of memorizer 101 can be carried out under the control of storage control 102 by other possible assemblies.
Various input/output devices are coupled to CPU and memorizer 101 by Peripheral Interface 104.Processor 103 runs and deposits
Various softwares in reservoir 101, instruction are to perform the various functions of mobile terminal 10 and to carry out data process.
In certain embodiments, Peripheral Interface 104, processor 103 and storage control 102 can be in one single chips
Realize.In some other example, they can be realized by independent chip respectively.
Radio-frequency module 105 is used for receiving and sending electromagnetic wave, it is achieved electromagnetic wave is changed with the mutual of the signal of telecommunication, thus with
Communication network or other equipment carry out communication.Radio-frequency module 105 can include the various existing electricity for performing these functions
Circuit component, such as, antenna, RF transceiver, digital signal processor, encryption/deciphering chip, subscriber identity module (SIM) card,
Memorizer etc..Radio-frequency module 105 can be carried out with various networks such as the Internet, intranet, the wireless network of preset type
Communication or carry out communication by the wireless network of preset type and other equipment.The wireless network of above-mentioned preset type can wrap
Include cellular telephone networks, WLAN or Metropolitan Area Network (MAN).The wireless network of above-mentioned preset type can use various communication
Standard, agreement and technology, include, but are not limited to global system for mobile communications (Global System for Mobile
Communication, GSM), enhancement mode mobile communication technology (Enhanced Data GSM Environment, EDGE), wide
Band CDMA (Wideband Code Division Multiple Access, W-CDMA), CDMA
(Code Division Access, CDMA), tdma (Time Division Multiple Access, TDMA),
Bluetooth, adopting wireless fidelity technology (Wireless-Fidelity, WiFi) is (such as IEEE-USA's standard IEEE
802.11a, IEEE 802.11b, IEEE802.11g and/or IEEE 802.11n), NFC technique, the networking telephone (Voice
Over Internet Protocal, VoIP), worldwide interoperability for microwave accesses (Worldwide Interoperability for
Microwave Access, Wi-Max), other are for mail, instant messaging and the agreement of short message, and any other is suitable
Communications protocol.
Key-press module 106 provides user to carry out the interface inputted to mobile terminal, user can by press different by
Key is so that mobile terminal 10 performs different functions.
Audio-frequency module 107 provides a user with audio interface, and it can include one or more mike, one or more raises
Sound device and voicefrequency circuit.Voicefrequency circuit receives voice data at Peripheral Interface 104, and voice data is converted to electrical information,
Electrical information is transmitted to speaker.Electrical information is converted to the sound wave that human ear can be heard by speaker.Voicefrequency circuit is also from mike
Place receives electrical information, converts electrical signals to voice data, and by data transmission in network telephony to Peripheral Interface 104 to carry out into one
The process of step.Voice data can obtain at memorizer 101 or by radio-frequency module 105.Additionally, voice data can also
Store to memorizer 101 or be transmitted by radio-frequency module 105.In some instances, audio-frequency module 107 may also include
Hole broadcast by one earphone, for providing audio interface to earphone or other equipment.
Touch Screen 108 provides an output and inputting interface between mobile terminal and user simultaneously.Specifically, touch-control
Screen 108 displays to the user that video frequency output, and the content of these video frequency output can include word, figure, video and any group thereof
Close.Some output results correspond to some user interface object.Touch Screen 108 also receives the input of user, such as user
Click, the gesture operation such as slip, in order to the input of these users is responded by user interface object.Detection user's input
Technology can be based on resistance-type, condenser type or other the most possible touch control detection technology.Touch Screen 108 display unit
Instantiation include, but are not limited to liquid crystal display or light emitting polymer displays.
Refer to the realization of the method for the reduction near-field communication module power consumption that Fig. 2, Fig. 2 provide for first embodiment of the invention
Schematic flow sheet, can be applicable to have in the terminal of NFC function.The method of the reduction near-field communication module power consumption shown in Fig. 1, main
Comprise the following steps:
S201, open when near field communication (NFC) function, and the current mode of operation of built-in near-field communication module is preset height
During power consumption mode, open preset timer.
NFC module includes three kinds of mode of operations, is respectively as follows: card reader pattern (reader/writer mode), point-to-point
Pattern (P2P mode, peer-to-peer mode) and mode card (Card emulation), wherein card reader pattern and
P2P pattern is high power consumption mode, and mode card is low-power consumption mode, and the load current under card reader pattern and P2P pattern is general
It is high power consumption mode in about 10ma, card reader pattern and P2P pattern；Load current under mode card is typically at about 5ua, card
Pattern is low-power consumption mode.If NFC also includes other mode of operations, then by load current more than or equal to card reader pattern or
The mode of operation of the load current under P2P pattern is as high power consumption mode, and load current is less than card reader pattern or P2P mould
The mode of operation of the load current under formula is as low-power consumption mode；Or, by load current less than or equal to bearing under mode card
Current-carrying mode of operation is as low-power consumption mode.
In S202, preset time period when this timer, the radio-frequency (RF) magnetic field field intensity detecting this near-field communication module is
No change.
The radio-frequency (RF) magnetic field of this NFC module is electromagnetic field produced by the electric current by NFC coil antenna, the field intensity of NFC module
For representing the intensity of radio-frequency (RF) magnetic field.When this NFC module actively sends radiofrequency signal, the radio-frequency (RF) magnetic field field intensity of this NFC module
Become greater than the numerical value of 0 by 0, now determine that the radio-frequency (RF) magnetic field field intensity of NFC module changes.This preset time period is at this meter
Time device on arrange time period.
If the radio-frequency (RF) magnetic field field intensity of this near-field communication module of S203 does not changes, then close this high power consumption mode, and protect
Stay low-power consumption mode.
Radio-frequency (RF) magnetic field field intensity does not changes and represents that this NFC pattern does not sends radiofrequency signal, does not i.e. have the NFC device of outside
Data exchange is carried out with this NFC module.This preset time period can be 10 minutes, it is also possible to is 12 minutes, it is also possible to is 20 points
Clock；But the preset time period long or too short use that all can affect terminal, if preset time period is too short, such as several seconds, this
Shi Ruguo NFC module has just detected that outside has NFC device to need data to exchange, then possibly be present at execution and closes timer
Before, it is shut off the situation of mode of operation, so can affect the operation of data exchange；If preset time period is long, as one little
Time or two hours, cause the operation performing high power consumption mode long, and then at preset time owing to preset time period is long
In section, power consumption is excessive, thus is unable to reach the effect reducing NFC module power consumption.
Owing to NFC module is when using high power consumption mode, the most actively send the radio-frequency (RF) magnetic field of radiofrequency signal, i.e. NFC module
Field intensity changes, and so can judge whether NFC is in high power consumption mode accurately, simultaneously by detection radio-frequency (RF) magnetic field field intensity
Owing to the application scenarios passive Card Reader such as mainly local payments, access control, electronic ticket etc. of mode card is applied, therefore mode card
Apply very frequent relative to using from the point of view of high power consumption mode, if the mode of operation of NFC module is all closed, can cause frequently
Open and close the operation of NFC module, add the complexity of operation the most on the contrary, so the embodiment of the present invention retains low merit
Consumption pattern, thus can only close high power consumption mode, thus reduces NFC under the service condition not affecting mode card
The effect of the power consumption of module.
In the embodiment of the present invention, the mode of operation that near-field communication module when near field communication (NFC) function is opened and built-in is current
During for preset high power consumption mode, open preset timer, in the preset time period when this timer, detect this near field
Whether the radio-frequency (RF) magnetic field field intensity of communication module changes, if the radio-frequency (RF) magnetic field field intensity of this near-field communication module does not changes,
Then close this high power consumption mode, and retain low-power consumption mode, open preset high power consumption mode and timer, when this most simultaneously
Timer exceedes preset time period, and when the radio-frequency (RF) magnetic field field intensity of near-field communication module does not changes, closes high power consumption mode,
The power consumption of near-field communication module can be reduced, it is also possible to extend the stand-by time of the mobile terminal at this near-field communication module place.
Refer to the realization of the method for the reduction near-field communication module power consumption that Fig. 3, Fig. 3 provide for second embodiment of the invention
Schematic flow sheet, can be applicable in the terminal of NFC function.The method of the reduction near-field communication module power consumption shown in Fig. 3, mainly wraps
Include following steps:
S301, open when near field communication (NFC) function, and the current mode of operation of built-in near-field communication module is preset height
During power consumption mode, open preset timer.
NFC module includes three kinds of mode of operations, is respectively as follows: card reader pattern, P2P pattern and mode card, wherein Card Reader
Device pattern and P2P pattern are high power consumption mode, and mode card is low-power consumption mode, the load under card reader pattern and P2P pattern
Electric current is typically high power consumption mode in about 10ma, card reader pattern and P2P pattern；Load current under mode card typically exists
About 5ua, mode card is low-power consumption mode.If NFC also includes other mode of operations, then by load current more than or equal to reading
The mode of operation of the load current under card device pattern or P2P pattern is as high power consumption mode, and load current is less than card reader
The mode of operation of the load current under pattern or P2P pattern is as low-power consumption mode；Or, by load current less than or equal to card
The mode of operation of the load current under pattern is as low-power consumption mode.Wherein, card reader pattern is to make as contactless card reader
With, from poster or Exhibition Information electronic tag, such as reading relevant information, P2P pattern can be used for data exchange, as downloaded
Music, the operation of the exchange data such as picture or synchronizer address book exchange.
In S302, preset time period when this timer, the radio-frequency (RF) magnetic field field intensity detecting this near-field communication module is
No change.
If the radio-frequency (RF) magnetic field field intensity of this NFC module does not changes, then perform step S303；If the radio frequency of this NFC module
Field strength changes, then perform step S304.The radio-frequency (RF) magnetic field of this NFC module is to be produced by the electric current of NFC coil antenna
Raw electromagnetic field, the field intensity of NFC module is for representing the intensity of radio-frequency (RF) magnetic field.This preset time period is to arrange on this timer
Time period.
S303, close this high power consumption mode, and retain low-power consumption mode.
Radio-frequency (RF) magnetic field field intensity does not changes and represents that this NFC pattern does not sends radiofrequency signal, does not i.e. have the NFC device of outside
Data exchange is carried out with this NFC module.This preset time period can be 10 minutes, it is also possible to is 12 minutes, it is also possible to is 20 points
Clock；But the preset time period long or too short use that all can affect terminal, if preset time period is too short, such as several seconds, this
Shi Ruguo NFC module has just detected that outside has NFC device to need data to exchange, then possibly be present at execution and closes timer
Before, it is shut off the situation of high power consumption mode, so can affect the operation of data exchange；If preset time period is long, such as one
Hour or two hours, cause the operation performing high power consumption mode long, and then when preset owing to preset time period is long
Between in section power consumption excessive, thus be unable to reach the effect reducing NFC module power consumption.
Owing to NFC module is when using high power consumption mode, the most actively send the radio-frequency (RF) magnetic field of radiofrequency signal, i.e. NFC module
Field intensity changes, and so can judge whether NFC is in high power consumption mode accurately, simultaneously by detection radio-frequency (RF) magnetic field field intensity
Owing to the application scenarios passive Card Reader such as mainly local payments, access control, electronic ticket etc. of mode card is applied, therefore mode card
Apply very frequent relative to using from the point of view of high power consumption mode, if the mode of operation of NFC module is all closed, can cause frequently
Open and close the operation of NFC module, add the complexity of operation the most on the contrary, so the embodiment of the present invention retains low merit
Consumption pattern, thus can only close high power consumption mode, thus reduces NFC under the service condition not affecting mode card
The effect of the power consumption of module.
This timer timing mode does not limits, and can be inverted order timing, it is also possible to be order timing, if preset time period
Being 60 seconds, then can start timing from 60 seconds, 59 seconds, 58 seconds till 0；Can also from 0 start timing, 1 second, 2 seconds until
60 seconds.
S304, close this timer.
Radio-frequency (RF) magnetic field field intensity changes and represents that this NFC pattern sends radiofrequency signal, i.e. has the NFC device of outside and is somebody's turn to do
NFC module carries out data exchange.
It should be noted that when the radio-frequency field field intensity of NFC module does not changes, this radio-frequency (RF) magnetic field field intensity is always 0,
If radio-frequency (RF) magnetic field field intensity changes to any number from 0, then it represents that this radio-frequency (RF) magnetic field field intensity changes.
Whether S305, detection target near field communication equipment leave the induction region of this near-field communication module.
This target near field communication equipment is to perform, with this near-field communication module, the equipment that data exchange.This target near field communication
Equipment is the NFC device of the outside described in step S304.If detecting, this target near field communication equipment leaves this near field and leads to
The induction region of letter module, then perform step S306；If detecting, this target near field communication equipment does not leaves this near-field communication mould
The induction region of block, then keep this timer to be closed.
S306, open this timer.
If detecting, this target near field communication equipment leaves the induction region of this NFC module, then can determine that this target is near
Field communication equipment is complete with the exchange of these NFC module data, now can reopen buttoned-up timer, then detect this near
Whether the radio-frequency (RF) magnetic field field intensity of field communication module changes, and i.e. performs step S302.
S307, send information.
The mode that this information is again turned on this high power consumption mode for prompting is manual.After step S303, send out
Go out this information.When this preset high power consumption mode is closed, it is necessary to this high power consumption mode is manually opened by user
Move as mode of operation, so user must be pointed out, so can inform that user is current in time after closing this high power consumption mode
Mode of operation.The mode of prompting does not limits, and also can be to play in advance by the screen display reminding information of terminal built-in
The voice prompt arranged, wherein shows that the information on screen can be with the information of written form, as " being turned off high power consumption
Pattern ", it is also possible to the information of graphic form, the form of information is not limited herein.
In the embodiment of the present invention, the mode of operation that near-field communication module when near field communication (NFC) function is opened and built-in is current
During for preset high power consumption mode, open preset timer, in the preset time period when this timer, detect this near field
Whether the radio-frequency (RF) magnetic field field intensity of communication module changes, if the radio-frequency (RF) magnetic field field intensity of this near-field communication module does not changes,
Then closing this high power consumption mode, and retain low-power consumption mode, then send information, this information is opened again for prompting
The mode opening this high power consumption mode is manual；If the radio-frequency (RF) magnetic field field intensity of this near-field communication module changes, then close this meter
Time device, whether detection target near field communication equipment leaves the induction region of this near-field communication module, if this Target near field being detected
Communication equipment leaves the induction region of this near-field communication module, then open this timer, opens preset high power consumption the most simultaneously
Pattern and timer, when this timer exceedes preset time period, and the radio-frequency (RF) magnetic field field intensity of near-field communication module does not changes
Time, close high power consumption mode, it is possible to reduce the power consumption of near-field communication module, it is also possible to extend the shifting at this near-field communication module place
The stand-by time of dynamic terminal.
Refer to the structure that Fig. 4, Fig. 4 are the devices of the reduction near-field communication module power consumption that third embodiment of the invention provides
Schematic diagram, for convenience of description, illustrate only the part relevant to the embodiment of the present invention.The reduction near-field communication mould of Fig. 4 example
The device of block power consumption can be holding of the method for the reduction near-field communication module power consumption of earlier figures 1 and embodiment illustrated in fig. 2 offer
Row main body, such as a control module in terminal or terminal.The device of the reduction near-field communication module power consumption of Fig. 4 example, main
Including: opening module 401, detection module 402 and closedown module 403.The most each functional module describes in detail as follows:
Opening module 401, the mode of operation that near-field communication module for opening when near field communication (NFC) function and built-in is current
During for preset high power consumption mode, open preset timer.
NFC module includes three kinds of mode of operations, is respectively as follows: card reader pattern, P2P pattern and mode card, wherein Card Reader
Device pattern and P2P pattern are high power consumption mode, and mode card is low-power consumption mode, the load under card reader pattern and P2P pattern
Electric current is typically high power consumption mode in about 10ma, card reader pattern and P2P pattern；Load current under mode card typically exists
About 5ua, mode card is low-power consumption mode.If NFC also includes other mode of operations, then by load current more than or equal to reading
The mode of operation of the load current under card device pattern or P2P pattern is as high power consumption mode, and load current is less than card reader
The mode of operation of the load current under pattern or P2P pattern is as low-power consumption mode；Or, by load current less than or equal to card
The mode of operation of the load current under pattern is as low-power consumption mode.
Detection module 402, within the preset time period when this timer, detects the radio frequency of this near-field communication module
Whether field strength changes.
Close module 403, if the radio-frequency (RF) magnetic field field intensity for this near-field communication module does not changes, then close this Gao Gong
Consumption pattern, and retain low-power consumption mode.
Radio-frequency (RF) magnetic field field intensity does not changes and represents that this NFC pattern does not sends radiofrequency signal, does not i.e. have the NFC device of outside
Data exchange is carried out with this NFC module.This preset time period can be 10 minutes, it is also possible to is 12 minutes, it is also possible to is 20 points
Clock, does not limits.
The details that the present embodiment is not most, refers to the description of aforementioned embodiment illustrated in fig. 2, and here is omitted.
It should be noted that in the embodiment of the device of the reduction near-field communication module power consumption of figure 4 above example, each merit
Can the division of module be merely illustrative of, can as required in actual application, the configuration requirement of such as corresponding hardware or soft
The convenient consideration of the realization of part, and above-mentioned functions distribution being completed by different functional modules, will program loading system interior
Portion's structure is divided into different functional modules, to complete all or part of function described above.And, in actual application,
Corresponding functional module in the present embodiment can be to be realized by corresponding hardware, it is also possible to performed corresponding by corresponding hardware
Software completes.Each embodiment that this specification provides all can apply foregoing description principle, below repeats no more.
In the embodiment of the present invention, opening module 401 is opened when near field communication (NFC) function, and built-in near-field communication module is current
Mode of operation when being preset high power consumption mode, open preset timer, pre-when this timer of detection module 402
Putting in the time period, whether the radio-frequency (RF) magnetic field field intensity detecting this near-field communication module changes, and leads to if closing this near field of module 403
The radio-frequency (RF) magnetic field field intensity of letter module does not changes, then close this high power consumption mode, and retain low-power consumption mode, so open mould
Block 401 opens preset high power consumption mode and timer simultaneously, when this timer exceedes preset time period, and near-field communication module
Radio-frequency (RF) magnetic field field intensity when not changing, close module 403 and close high power consumption mode, it is possible to reduce the merit of near-field communication module
Consumption, it is also possible to extend the stand-by time of the mobile terminal at this near-field communication module place.
Refer to Fig. 5, the structural representation of the device of the reduction near-field communication module power consumption that fourth embodiment of the invention provides
Figure, for convenience of description, illustrate only the part relevant to the embodiment of the present invention.The reduction near-field communication module merit of Fig. 5 example
The device of consumption can be the executive agent of the method for the reduction near-field communication module power consumption that aforementioned embodiment illustrated in fig. 3 provides, as
A control module in terminal or terminal.The device of the reduction near-field communication module power consumption of Fig. 5 example, specifically includes that unlatching
Module 501, detection module 502, closedown module 503 and prompting control module 504, above each functional module describes in detail as follows:
Opening module 501, the mode of operation that near-field communication module for opening when near field communication (NFC) function and built-in is current
During for preset high power consumption mode, open preset timer.
Detection module 502, within the preset time period when this timer, detects the radio frequency of this near-field communication module
Whether field strength changes.
NFC module includes three kinds of mode of operations, is respectively as follows: card reader pattern, P2P pattern and mode card, wherein Card Reader
Device pattern and P2P pattern are high power consumption mode, and mode card is low-power consumption mode, the load under card reader pattern and P2P pattern
Electric current is typically high power consumption mode in about 10ma, card reader pattern and P2P pattern；Load current under mode card typically exists
About 5ua, mode card is low-power consumption mode.If NFC also includes other mode of operations, then by load current more than or equal to reading
The mode of operation of the load current under card device pattern or P2P pattern is as high power consumption mode, and load current is less than card reader
The mode of operation of the load current under pattern or P2P pattern is as low-power consumption mode；Or, by load current less than or equal to card
The mode of operation of the load current under pattern is as low-power consumption mode.Wherein, card reader pattern is to make as contactless card reader
With, from poster or Exhibition Information electronic tag, such as reading relevant information, P2P pattern can be used for data exchange, as downloaded
Music, the operation of the exchange data such as picture or synchronizer address book exchange.
Close module 503, if the radio-frequency (RF) magnetic field field intensity for this near-field communication module does not changes, then close this Gao Gong
Consumption pattern, and retain low-power consumption mode.
Radio-frequency (RF) magnetic field field intensity does not changes and represents that this NFC pattern does not sends radiofrequency signal, does not i.e. have the NFC device of outside
Data exchange is carried out with this NFC module.This preset time period can be 10 minutes, it is also possible to is 12 minutes, it is also possible to is 20 points
Clock；But the preset time period long or too short use that all can affect terminal, if preset time period is too short, such as several seconds, this
Shi Ruguo NFC module has just detected that outside has NFC device to need data to exchange, then possibly be present at execution and closes timer
Before, it is shut off the situation of mode of operation, so can affect the operation of data exchange；If preset time period is long, as one little
Time or two hours, cause the operation performing high power consumption mode long, and then at preset time owing to preset time period is long
In section, power consumption is excessive, thus is unable to reach the effect reducing NFC module power consumption.
This timer timing mode does not limits, and can be inverted order timing, it is also possible to be order timing, if preset time period
Being 60 seconds, then can start timing from 60 seconds, 59 seconds, 58 seconds till 0；Can also from 0 start timing, 1 second, 2 seconds until
60 seconds.
Close module 503, if the radio-frequency (RF) magnetic field field intensity being additionally operable to this near-field communication module changes, then close this timing
Device.
Radio-frequency (RF) magnetic field field intensity changes and represents that this NFC pattern sends radiofrequency signal, i.e. has the NFC device of outside and is somebody's turn to do
NFC module carries out data exchange.
It should be noted that when the radio-frequency field field intensity of NFC module does not changes, this radio-frequency (RF) magnetic field field intensity is always 0,
If radio-frequency (RF) magnetic field field intensity changes to any number from 0, then it represents that this radio-frequency (RF) magnetic field field intensity changes.
Detection module 502, is additionally operable to detect whether target near field communication equipment leaves the induction zone of this near-field communication module
Territory.
This target near field communication equipment is to perform, with this near-field communication module, the equipment that data exchange.This target near field communication
Equipment is the NFC device of above-mentioned described outside.If detecting, this target near field communication equipment does not leaves this near-field communication mould
The induction region of block, then keep this timer to be closed.
Opening module 501, if being additionally operable to the sensing that this target near field communication equipment leaves this near-field communication module be detected
Region, then open this timer.
Alternatively, this device also includes determining module, if detecting, this target near field communication equipment leaves this NFC module
Induction region, then this determines that module can determine that this target near field communication equipment is complete with the exchange of these NFC module data.Now open
Opening module 501 and can reopen buttoned-up timer, then detection module 502 detects the radio-frequency magnetic of this near-field communication module
Whether field field intensity changes.
Prompting control module 504, is used for sending information.
The mode that this information is again turned on this high power consumption mode for prompting is manual.When the high power consumption mould that this is preset
When formula is closed, it is necessary to it is mode of operation that this preset high power consumption mode is manually started by user, so must close
After closing this preset high power consumption mode, prompting control module 504 points out user, so can inform the work that user is current in time
Operation mode.The mode of prompting does not limits, and also can be to play to pre-set by the screen display reminding information of terminal built-in
Voice prompt, wherein show that the information on screen can be with the information of written form, as " being turned off high power consumption mould
Formula ", it is also possible to the information of graphic form, the form of information is not limited herein.
The details that the present embodiment is not most, refers to the description of aforementioned embodiment illustrated in fig. 3, and here is omitted.
In the embodiment of the present invention, opening module 501 is opened when near field communication (NFC) function, and built-in near-field communication module is current
Mode of operation when being preset high power consumption mode, open preset timer, pre-when this timer of detection module 502
Putting in the time period, whether the radio-frequency (RF) magnetic field field intensity detecting this near-field communication module changes, and leads to if closing this near field of module 503
The radio-frequency (RF) magnetic field field intensity of letter module does not changes, then close this high power consumption mode, and retain low-power consumption mode, then point out control
Molding block 504 sends information, and the mode that this information is again turned on this high power consumption mode for prompting is manual；Close
If the radio-frequency (RF) magnetic field field intensity of this near-field communication module of module 503 changes, then closing this timer, detection module 502 detects
Whether target near field communication equipment leaves the induction region of this near-field communication module, if opening module 501 is when this target being detected
Near-field communication equipment leaves the induction region of this near-field communication module, then open this timer, and such opening module 501 is when simultaneously
Open preset high power consumption mode and timer, when this timer exceedes preset time period, and the radio-frequency magnetic of near-field communication module
When field field intensity does not changes, close module 503 and close high power consumption mode, it is possible to reduce the power consumption of near-field communication module, also may be used
To extend the stand-by time of the mobile terminal at this near-field communication module place.
In multiple embodiments provided herein, it should be understood that disclosed system, apparatus and method, permissible
Realize by another way.Such as, device embodiment described above is only schematically, such as, and described module
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple modules or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication linkage can be the indirect couplings by some interfaces, device or module
Close or communication linkage, can be electrical, machinery or other form.
The described module illustrated as separating component can be or may not be physically separate, shows as module
The parts shown can be or may not be physical module, i.e. may be located at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.Some or all of module therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional module in each embodiment of the present invention can be integrated in a processing module, it is also possible to
It is that modules is individually physically present, it is also possible to two or more modules are integrated in a module.Above-mentioned integrated mould
Block both can realize to use the form of hardware, it would however also be possible to employ the form of software function module realizes.
If described integrated module realizes and as independent production marketing or use using the form of software function module
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It should be noted that for aforesaid each method embodiment, in order to simplicity describes, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some step can use other order or carry out simultaneously.Secondly, those skilled in the art also should know
Knowing, it might not be all this that embodiment described in this description belongs to preferred embodiment, involved action and module
Bright necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not has the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiments.
It is more than the description of method and device to reduction near-field communication module power consumption provided by the present invention, for ability
The technical staff in territory, according to the thought of the embodiment of the present invention, the most all will change,
To sum up, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the method reducing near-field communication module power consumption, it is characterised in that including:
The mode of operation that near-field communication module when near field communication (NFC) function is opened and built-in is current is preset high power consumption mode
Time, open preset timer；
In preset time period when described timer, whether the radio-frequency (RF) magnetic field field intensity detecting described near-field communication module occurs
Change；
If the radio-frequency (RF) magnetic field field intensity of described near-field communication module does not changes, then close described high power consumption mode, and retain low
Power consumption mode.
Method the most according to claim 1, it is characterised in that described high power consumption mode be card reader pattern and/or put right
Dot pattern, described low-power consumption mode is mode card.
Method the most according to claim 1 and 2, it is characterised in that the described preset time period when described timer
In, detect after whether the radio-frequency (RF) magnetic field field intensity of described near-field communication module change, also include:
If the radio-frequency (RF) magnetic field field intensity of described near-field communication module changes, then close described timer.
Method the most according to claim 3, it is characterised in that after the described timer of described closedown, also include:
Whether detection target near field communication equipment leaves the induction region of described near-field communication module, and wherein said Target near field leads to
Letter equipment is to perform, with described near-field communication module, the equipment that data exchange；
If detecting, described target near field communication equipment leaves the induction region of described near-field communication module, then open described timing
Device.
Method the most according to claim 1, it is characterised in that if the radio-frequency (RF) magnetic field field intensity of described near-field communication module
Do not change, then close described high power consumption mode, and after retaining low-power consumption mode, also include:
Sending information, the mode that described information is again turned on described high power consumption mode for prompting is manual.
6. the device reducing near-field communication module power consumption, it is characterised in that described device includes:
Opening module, for opening when near field communication (NFC) function, and the current mode of operation of near-field communication module is preset Gao Gong
During consumption pattern, open preset timer；
Detection module, within the preset time period when described timer, detects the radio-frequency magnetic of described near-field communication module
Whether field field intensity changes；
Close module, if the radio-frequency (RF) magnetic field field intensity for described near-field communication module does not changes, then close described high power consumption
Pattern, and retain low-power consumption mode.
Device the most according to claim 6, it is characterised in that described high power consumption mode be card reader pattern and/or put right
Dot pattern, described low-power consumption mode is mode card.
8. according to the device described in claim 6 or 7, it is characterised in that
Described closedown module, if the radio-frequency (RF) magnetic field field intensity being additionally operable to described near-field communication module changes, then closes described meter
Time device.
Device the most according to claim 8, it is characterised in that
Described detection module, is additionally operable to detect whether target near field communication equipment leaves the induction zone of described near-field communication module
Territory, wherein said target near field communication equipment is to perform, with described near-field communication module, the equipment that data exchange；
Described opening module, if being additionally operable to the sensing that described target near field communication equipment leaves described near-field communication module be detected
Region, then open described timer.
Device the most according to claim 6, it is characterised in that described device also includes:
Prompting control module, is used for sending information, and described information is again turned on described high power consumption mode for prompting
Mode be manual.
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| CN107708188A (en) * | 2017-09-27 | 2018-02-16 | 深圳天珑无线科技有限公司 | A kind of method for reducing power consumption, mobile terminal and the device with store function |
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