CN106230492A - The changing method of a kind of terminal antenna, device and mobile terminal - Google Patents
The changing method of a kind of terminal antenna, device and mobile terminal Download PDFInfo
- Publication number
- CN106230492A CN106230492A CN201610614981.8A CN201610614981A CN106230492A CN 106230492 A CN106230492 A CN 106230492A CN 201610614981 A CN201610614981 A CN 201610614981A CN 106230492 A CN106230492 A CN 106230492A
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- CN
- China
- Prior art keywords
- terminal
- external antenna
- antenna
- preset
- default
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
- H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
- H04B7/0814—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
Abstract
The invention discloses the changing method of a kind of terminal antenna, device and mobile terminal, wherein the method comprises determining that whether terminal communicates based on default communications band;If it is determined that terminal communicates based on default communications band, then obtain the signal strength values of this default communications band;When judging this signal strength values less than preset signal strength threshold value, detect whether this terminal accesses external antenna;If detecting, this terminal accesses external antenna, then control this terminal and switch to this external antenna and communicate.Therefore, the present invention can be when the relatively low frequent segment signal that terminal built-in antenna receives be poor, and control terminal switches to external antenna and communicates.Due to the frequency band range relatively terminal built-in antenna width of external antenna, external antenna performance is also better than built-in aerial, therefore controls terminal and switches to external antenna and communicate, can be effectively improved the terminal transmitting-receiving ability to relatively low frequent segment signal.
Description
Technical field
The invention belongs to communication technical field, particularly relate to the changing method of a kind of terminal antenna, device and mobile terminal.
Background technology
Along with the development of wireless communication technology, various new techniques continue to bring out, such as carrier aggregation technology.Carrier wave gathers
Conjunction technology is by being polymerized multiple component carriers continuously or discontinuously, it is possible to obtain bigger transmission bandwidth, thus obtains
Take higher peak rate and handling capacity.It is to say, pass through carrier aggregation technology, it is possible to achieve higher data transmission speed
Rate, makes user obtain more resource.
But, when applying carrier aggregation technology, used signal frequency range also gets more and more, and this just requires terminal unit
The bandwidth of antenna sufficiently large., the various types of hardware integrated due to terminal inner gets more and more, and terminal is in design
The reason such as the thinnest, causes the space distributing to terminal antenna extremely limited.In this case, terminal antenna can cover
The bandwidth of lid is also restrained, the most difficult covers relatively low frequent section or the relatively low frequent segment signal that receives is poor.
Summary of the invention
It is an object of the invention to provide the changing method of a kind of terminal antenna, device and mobile terminal, it is intended to when relatively low
Again and again, during segment signal difference, the mobile terminal transmitting-receiving ability to relatively low frequent segment signal is improved.
For solving above-mentioned technical problem, the present invention provides techniques below scheme:
A kind of changing method of terminal antenna, including:
Determine whether terminal communicates based on default communications band;
If it is determined that terminal communicates based on default communications band, then obtain the signal intensity of described default communications band
Value;
When judging described signal strength values less than preset signal strength threshold value, detect whether described terminal accesses external
Antenna;
If detecting, described terminal accesses external antenna, then control described terminal and switch to described external antenna and lead to
Letter.
For solving above-mentioned technical problem, the present invention also provides for techniques below scheme:
A kind of switching device of terminal antenna, including:
Determine unit, be used for determining whether terminal communicates based on default communications band;
Acquiring unit, for if it is determined that terminal communicates based on default communications band, then obtains described default communication
The signal strength values of frequency range;
Detector unit, for when judging described signal strength values less than preset signal strength threshold value, detecting described end
Whether end accesses external antenna;
Control unit, if for detect described terminal access external antenna, then control described terminal switch to described outside
Put antenna to communicate.
The present invention also provides for a kind of mobile terminal, and described mobile terminal includes the switching device of above-mentioned terminal antenna.
Relative to prior art, the changing method of terminal antenna, device and the mobile terminal that the present invention provides, first by end
End determines if that being currently in use default communications band communicates.Determine that it is currently in use default communications band and enters in terminal
During row communication, terminal obtains the signal strength values of this default communications band, and judges the signal strength values of this default communications band
Whether less than preset signal strength threshold value.If judging, the signal strength values of this default communications band is less than preset signal strength threshold
Value, then whether detection terminal accesses external antenna.In the case of detecting that terminal accesses external antenna, control terminal by built-in
Antenna switches to external antenna transmitting-receiving signal of communication.Due to the frequency band range relatively terminal built-in antenna width of external antenna, external sky
Linearly can also be better than built-in aerial, therefore control terminal and switch to external antenna and communicate, terminal can be effectively improved to relatively
The transmitting-receiving ability of low frequency band communication signal.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings, by the detailed description of the invention of the present invention is described in detail, technical scheme will be made
And beneficial effect is apparent.
Fig. 1 is the schematic flow sheet of the changing method of the terminal antenna that first embodiment of the invention provides;
Fig. 2 is the schematic flow sheet of the changing method of the terminal antenna that second embodiment of the invention provides;
The structural representation of the switching device of the terminal antenna that Fig. 3 a provides for third embodiment of the invention;
Another structural representation of the switching device of the terminal antenna that Fig. 3 b provides for third embodiment of the invention;
The structural representation of the mobile terminal that Fig. 4 provides for fourth embodiment of the invention.
Detailed description of the invention
Refer to graphic, the most identical element numbers represents identical assembly, and the principle of the present invention is to be implemented in one
Suitable computing environment illustrates.The following description is based on the illustrated specific embodiment of the invention, and it should be by
It is considered as limiting other specific embodiment that the present invention is the most detailed herein.
Will be detailed below.
First embodiment
The changing method of a kind of terminal antenna, comprises determining that whether terminal communicates based on default communications band;If really
Make terminal to communicate based on default communications band, then obtain the signal strength values of this default communications band;When judging this
When signal strength values is less than preset signal strength threshold value, detect whether this terminal accesses external antenna;If detecting, this terminal connects
Enter external antenna, then control this terminal and switch to this external antenna and communicate.
Refer to the schematic flow sheet that Fig. 1, Fig. 1 are the changing methods of the terminal antenna that first embodiment of the invention provides,
Idiographic flow may include that
In step S101, determine whether terminal communicates based on default communications band.
It is understood that the executive agent of the embodiment of the present invention can be the terminal unit such as mobile phone, panel computer.
In order to improve the message transmission rate in wireless communication technology, people have developed many new technology, such as carrier wave
Polymerization technique.Carrier aggregation technology is by being polymerized multiple component carriers continuously or discontinuously, it is possible to obtain bigger
Transmission bandwidth.Same frequency range is may be located at, it is also possible to be positioned at different frequency range owing to participating in the carrier wave of polymerization, so at application carrier wave
During polymerization technique, used signal frequency range is a lot.Such as mobile phone application carrier aggregation technology after, its frequency range that may use
Including 450 470MHz, 698 762MHz, 790 862MHz, 2.3 2.4GHz, 3.4 4.2GHz and 4.4
4.99GHz etc..For the frequency ranges such as 2.3 2.4GHz, 3.4 4.2GHz, 450 470MHz, 698 762MHz and
The frequency ranges such as 790 862MHz belong to relatively low frequent section.It is to say, after application carrier aggregation technology, the signal that may use
Frequency range all has distribution from relatively low frequent section to higher-frequency frequency range, and this just requires that the bandwidth of antenna of terminal unit is sufficiently large.
But, the various types of hardware integrated due to current terminal inner gets more and more, and terminal is more and more thinner
Etc. reason, cause the space distributing to terminal antenna extremely limited.In this case, the bandwidth that terminal antenna can cover
Also restrained.Such as, for the frequency range of some relatively low frequencies, such as 790 862MHz frequency ranges, owing to receiving relatively low frequent section
Signal, it is desirable to antenna possesses bigger empty regions and longer antenna length.Therefore the space at terminal antenna is restricted
And when cannot meet these requirements, the relatively low frequent segment signal that terminal can be caused to receive is poor.
In order to solve the problems referred to above, in step S101 of the embodiment of the present invention, terminal first determines if based on presetting
Communications band communicates.
Such as, when terminal receives signal of communication, terminal judges its whether be currently in use relatively low frequency default communication frequency
Section communicates, and the default communications band of such as this relatively low frequency is 800 810MHz frequency ranges etc..It is understood that preset logical
Letter frequency range can be set by user or manufacturer terminal, can be a frequency range, it is also possible to be multiple frequency ranges.If it addition, certain is eventually
The receiving ability holding the signal for certain higher-frequency frequency range occurs bad, then terminal can also be by this certain higher-frequency frequency range
It is set to preset communications band etc., illustrates herein and do not constitute limitation of the invention.
If terminal determines that it is not based on presetting communications band and communicates, it is logical that such as terminal determines that it is currently in use
Letter frequency range is the frequency range of some higher-frequency, such as 2370 2390MHz frequency ranges, for the frequency range of these higher-frequency, and terminal built-in
Antenna can stably receive signal, then terminal can be continuing with its built-in aerial and communicate.
If terminal determines that it communicates based on default communications band, such as terminal determines its communication being currently in use
Frequency range is default relatively low frequent section, such as 800 810MHz frequency ranges, then enter step S102.
In step s 102, however, it is determined that go out terminal and communicate based on default communications band, then obtain this and preset communication frequency
The signal strength values of section.
Such as, when terminal determines that its communications band being currently in use is default relatively low frequent section, due in terminal
Putting antenna poor for the receiving ability of relatively low frequent segment signal, so in this step, it is pre-that terminal obtains that it is currently in use
If the signal strength values of communications band.
After getting the signal strength values of default communications band, whether this signal strength values of terminal judges is less than presetting
Signal strength threshold.If terminal judges goes out this signal strength values is not less than preset signal strength threshold value, then show that now terminal connects
The signal intensity of the default communications band received is preferable, then terminal can be continuing with its built-in aerial and communicate.If eventually
End judges that this signal strength values, less than preset signal strength threshold value, now enters step S103.
In step s 103, when judging this signal strength values less than preset signal strength threshold value, detecting this terminal is
No access external antenna.
In step S104, if detecting, this terminal accesses external antenna, then control this terminal and switch to this external antenna
Communicate.
Such as, step S103 and S104 can particularly as follows:
When terminal judges goes out the signal strength values of default relatively low frequency communications band less than preset signal strength threshold value, table
The relatively low frequency communications band signal difference preset that bright terminal built-in antenna receives.Now, terminal detects whether it is successfully accessed
External antenna.
If terminal detects its unsuccessful access external antenna, then terminal is continuing with its built-in aerial and communicates.
If terminal detects that it is successfully accessed external antenna, then control terminal and switch to this external antenna and communicate, and not in use by
Terminal built-in antenna receiving and transmitting signal.
It is understood that compared to terminal built-in antenna, the frequency band range of external antenna is wider, relatively low frequency can be covered
Frequency range, external antenna performance is also better than built-in aerial simultaneously, during the signal difference of the relatively low frequent section therefore received in terminal, logical
Crossing access external antenna, control terminal is switched to external antenna by built-in aerial and communicates, can be effectively improved terminal to relatively
The transmitting-receiving ability of low frequency frequency band signals.
In possible embodiment, external antenna can be with the earpiece holes of access terminal or USB interface etc., the present invention
Embodiment is not specifically limited.
Preferably, in step s 103 when judging that the signal strength values presetting communications band is less than preset signal strength threshold
After the step of value, it is also possible to comprise the steps:
Generating information, it is that terminal accesses external antenna that this information is used for pointing out user.
Based on this, detect this terminal whether access the step of external antenna can be particularly as follows: based on this information, detection
Whether this terminal accesses external antenna.
Such as, the signal strength values of default communications band of relatively low frequency is gone out in terminal judges less than preset signal strength threshold value
Time, terminal generates an information, and for reminding user at the earpiece holes of terminal to be, terminal accesses external antenna.Afterwards,
Whether terminal test earphone is successfully accessed external antenna at hole.If detecting unsuccessful access external antenna at earpiece holes, then eventually
End is continuing with its built-in aerial and communicates.If detecting and being successfully accessed external antenna at earpiece holes, then terminal switches to this
External antenna communicates, and not in use by built-in aerial.
In a kind of possible embodiment, step S103 detects this terminal and whether accesses external antenna and can specifically wrap
Include:
By default terminal applies and Magnetic Induction sensor, detect whether this terminal accesses external antenna.
Such as, integrated Magnetic Induction sensor on the radio circuit of terminal, permissible by Magnetic Induction sensor in advance
Detect the change of terminated level, and the change of the terminated level detected is sent to presetting terminal applies, by default terminal
Apply the change to terminated level to be analyzed, and judge whether terminal accesses external antenna according to analysis result.
In a kind of possible embodiment, step S104 controls this terminal switch to that this external antenna communicates can
To include:
Send preset the first switching command to preset radio frequency switching circuit, this preset the first switching command indicate this preset penetrate
Frequency circuit switch switches to preset external antenna mode of operation.
Such as, at the radio circuit of terminal and for accessing, on the terminal socket of external antenna, radio frequency can be set in advance
Contactor, and be defined as this radio frequency switching circuit presetting radio frequency switching circuit, this default radio frequency switching circuit is used for realizing
Switching between terminal built-in antenna and external antenna.For example, it is possible to arrange default radio frequency switching circuit when being in closure state,
The built-in aerial of terminal is connected with radio circuit, so that built-in aerial is in running order, and is opened by default radio circuit
The closure state closed is defined as presetting built-in aerial mode of operation.And default radio frequency switching circuit is set when being off,
The external antenna of terminal is connected with radio circuit, so that external antenna is in running order, and is opened by default radio circuit
The off-state closed is defined as presetting external antenna mode of operation.
Based on this, after detecting that terminal accesses external antenna in step s 103, in step S104, terminal is permissible
Sending the first switching command preset and extremely preset radio frequency switching circuit, this first switching command preset is for indicating the pre-of terminal
If radio frequency switching circuit switches to the external antenna mode of operation preset, radio frequency is preset in the first switching command instruction such as preset
Contactor enters off-state, so that external antenna is connected with the radio circuit of terminal, terminal is entered based on external antenna
Row communication.
Further, control after this terminal switches to the step that external antenna communicates, also may be used in step S104
To comprise the steps:
If detecting, this external antenna disconnects with terminal, then send and preset the second switching command to presetting radio circuit
Switch, this is preset the second switching command and indicates this default radio frequency switching circuit to switch to preset built-in aerial mode of operation.
Such as, when terminal detects that external antenna is extracted in terminal, when i.e. external antenna and terminal disconnect, eventually
End sends the second switching command preset and extremely presets radio frequency switching circuit, and this second switching command preset is used for indicating presetting to be penetrated
Frequency circuit switch enters presets built-in aerial mode of operation, and radio frequency switching circuit is preset in the second switching command instruction such as preset
Entering the closure state preset, so that built-in aerial is connected with terminal radio frequency circuit, terminal uses built-in aerial to lead to
Letter.
When detecting that external antenna disconnects with terminal, lead to by time terminal being switched to built-in aerial
Letter, it is ensured that the communication of terminal is not interrupted.
From the foregoing, the changing method of the terminal antenna of the present embodiment offer, first determined if by terminal
Default communications band is used to communicate.Terminal determine its be currently in use default communications band communicate time, terminal obtains
Take the signal strength values of this default communications band, and judge that whether the signal strength values of this default communications band is less than preset signals
Intensity threshold.If judging, the signal strength values of this default communications band is less than preset signal strength threshold value, then detection terminal is
No access external antenna.In the case of detecting that terminal accesses external antenna, control terminal and switched to by built-in aerial external
Antenna transmitting-receiving signal of communication.Due to the frequency band range relatively terminal built-in antenna width of external antenna, in external antenna performance is also better than
Put antenna, therefore control terminal and switch to external antenna and communicate, terminal can be effectively improved relatively low frequency band communication is believed
Number transmitting-receiving ability.
Second embodiment
According to the method described by first embodiment, as a example by mobile phone, the changing method of terminal antenna is made further below
Describe in detail.
Refer to the schematic flow sheet of the changing method of the terminal antenna that Fig. 2, Fig. 2 provide for second embodiment of the invention,
Idiographic flow may include that
In step s 201, mobile phone receives signal of communication, and determines the communications band of correspondence according to this signal of communication.
Such as, due to the reason such as the design of current mobile phone is the thinnest, the space distributing to antenna for mobile phone is caused to be limited
System.In this case, the frequency range that antenna for mobile phone can cover is also restrained, and these some causing that antenna receives are relatively low
Again and again the dtr signal of section.
In order to improve the mobile phone receiving ability to relatively low frequent segment signal, in step S201 of the embodiment of the present invention, can
With after mobile phone receives signal of communication, mobile phone, according to this signal of communication, determines the communications band corresponding with this signal of communication,
I.e. determine the communications band that current phone is currently in use.
After its communications band being being currently used determined by mobile phone, mobile phone judges whether include in this communications band
Preset communications band.Such as, mobile phone judges the relatively low frequency communications band whether including in its communications band being currently in use presetting,
Such as 800 810MHz frequency ranges etc..It is understood that the communications band preset can by user or cell phone manufacturer according to demand from
Row sets, and is not specifically limited herein.
If the relatively low frequency communications band not including in its communications band being currently in use presetting judged by mobile phone, the most currently
The communications band that mobile phone uses is all the communications band of some higher-frequency, owing to the built-in aerial of mobile phone can preferably receive this
The signal of a little higher-frequency frequency ranges, then mobile phone can be continuing with its built-in aerial and communicate.
If the relatively low frequency communications band that its communications band being currently in use includes presetting determined by mobile phone, then enter step
S202。
In step S202, if based on this communications band, determine that mobile phone uses default communications band to communicate, then obtain
Take the signal strength values of this default communications band.
Such as, step S202 can particularly as follows:
Mobile phone determine its be currently in use default relatively low frequency communications band communicate time, due to the built-in sky of mobile phone
Line is poor to the receiving ability of relatively low frequent segment signal, therefore can be obtained this relatively LF communication preset frequency by mobile phone at this moment
The signal strength values of section.
Then, this signal strength values and preset signal strength threshold value are compared by mobile phone, it is judged that this signal strength values is
No less than preset signal strength threshold value.
If mobile phone judges that this signal strength values is not less than preset signal strength threshold value, then show that mobile phone uses built-in aerial
This signal compared with low frequency communications band preset received is preferable, then mobile phone can be continuing with its built-in aerial and receive letter
Number.
If mobile phone judges that this signal strength values less than preset signal strength threshold value, then enters step S203.
In step S203, when judging this signal strength values less than preset signal strength threshold value, mobile phone detects whether
Access external antenna.
Such as, mobile phone judges that the signal strength values of the relatively low frequency communications band preset that built-in aerial receives is less than pre-
If signal strength threshold, then show the dtr signal of the relatively low frequency communications band that mobile phone uses its built-in aerial to receive.Now,
Mobile phone detects whether it accesses external antenna.
Preferably, judge that this signal strength values is less than after preset signal strength threshold value above-mentioned, it is also possible to include as
Lower step:
Generating information, it is that mobile phone accesses external antenna that this information is used for pointing out user.
Based on this, above-mentioned mobile phone detects whether to access external antenna can be particularly as follows: based on this information, mobile phone detects
Whether access external antenna.
Such as, during user uses surfing Internet with cell phone to browse information, mobile phone uses default relatively LF communication frequency
Section receives signal, owing to built-in antenna of mobile phone is poor to the receiving ability of relatively low frequent segment signal, causes surfing Internet with cell phone speed to be delayed
Slowly, it is possible to generated an information by mobile phone at this moment, for informing the relatively low frequency preset that user is currently received
Communications band dtr signal, and to point out user be that terminal accesses external antenna in the earpiece holes of mobile phone.
In possible embodiment, mobile phone can generate above-mentioned carrying in a different manner according to different use scenes
Show information.Such as, when user uses surfing Internet with cell phone to browse news, mobile phone can eject information first on screen, carries
Show that user accesses external antenna at handset earphone hole.And when user uses mobile phone to receive calls, mobile phone can generate first
Information of voice prompt, prompting user accesses external antenna etc. at handset earphone hole.
By generating information, it is possible to use family recognizes that the relatively low frequent segment signal that mobile phone receives is poor in time,
So that user accesses external antenna for mobile phone.
In a kind of possible embodiment, in step S203, mobile phone detects whether that accessing external antenna may include that
Mobile phone is applied by default mobile phone and Magnetic Induction sensor, detects whether to access external antenna.
Such as, this Magnetic Induction sensor integration is on the radio circuit of mobile phone, permissible by this Magnetic Induction sensor
Detect the change of mobile phone level.The change of the level detected is sent to presetting mobile phone application by this Magnetic Induction sensor.
Then by the application of default mobile phone, the change of this level is analyzed, and judges whether mobile phone accesses external sky according to analysis result
Line.Applied by default mobile phone and Magnetic Induction sensor can quickly, simply detect whether mobile phone accesses external antenna.
Such as, this Magnetic Induction sensor can be Hall element.
If mobile phone is judged not access external antenna, then entering step S205, mobile phone is continuing with built-in aerial and leads to
Letter.
If mobile phone judges to access external antenna, then enter step S204.
In step S204, if detecting, mobile phone accesses external antenna, then mobile phone switches to this external antenna and communicates.
Such as, mobile phone is by the application of default mobile phone and Magnetic Induction sensor, it is judged that mobile phone accesses external antenna, then
Mobile phone is handed off this external antenna and communicates, and communicates not in use by built-in aerial.
Such as, in a kind of possible embodiment, in step S204 mobile phone switch to that this external antenna communicates can
To include:
Mobile phone sends presets the most default radio frequency switching circuit of the first switching command, and this is preset the first switching command and indicates this pre-
If radio frequency switching circuit switches to preset external antenna mode of operation.
Such as, at the radio circuit of mobile phone and for accessing, on the mobile phone socket of external antenna, radio frequency can be set in advance
Contactor, and be defined as this radio frequency switching circuit presetting radio frequency switching circuit, this default radio frequency switching circuit is used for realizing
Switching between built-in antenna of mobile phone and external antenna.
For example, it is possible to arrange the first radio frequency switching circuit in advance on the radio circuit of mobile phone, and it is defined as presetting
First radio frequency switching circuit.Meanwhile, insertion detection circuit (DET line road) in handset earphone hole arranges the second radio circuit to open
Close, and be defined as presetting the second radio frequency switching circuit.This is preset the first radio frequency switching circuit and presets the second radio circuit
Switch switches between built-in aerial and external antenna for mobile phone.
Concrete, for presetting the first radio frequency switching circuit, can arrange when it is in closure state, built-in aerial leads to
Cross the radio circuit electric connection presetting the first radio frequency switching circuit with mobile phone, so that built-in aerial is in running order.And
Arranging when default first radio frequency switching circuit is off, built-in aerial disconnects with the connection of mobile phone radio frequency circuit, from
And make built-in aerial be in off working state.
For presetting the second radio frequency switching circuit, can be arranged in the case of handset earphone hole do not accesses external antenna,
Preset the second radio frequency switching circuit and be in closure state.Such as, under the scene of earphone is accessed in handset earphone hole, preset second and penetrate
Frequency circuit switch is in closure state, so that the detection circuit that inserts in handset earphone hole detects circuit phase with the insertion on earphone
Connecting, earphone normally works.And in the case of being arranged on handset earphone hole access external antenna, preset the second radio frequency switching circuit
It is off, thus realizes external antenna and the electric connection of mobile phone radio frequency circuit.It should be noted that at handset earphone
In the case of external antenna is accessed in hole, the ground wire of earphone can serve as the ground wire of external antenna.
Based on this, by presetting the first radio frequency switching circuit and the shape that the second radio frequency switching circuit is in closing can be preset
State, is defined as presetting built-in aerial mode of operation.And the first radio frequency switching circuit will be preset and preset the second radio frequency switching circuit
It is in the state disconnected, is defined as presetting external antenna mode of operation.
Based on the above-mentioned default external antenna mode of operation determined, above-mentioned mobile phone sends presets the first switching command to presetting
Radio frequency switching circuit, this is preset the first switching command and indicates this default radio frequency switching circuit to switch to preset external antenna Working mould
Formula, can specifically include: mobile phone sends presets the first switching command to presetting the first radio frequency switching circuit and presetting the second radio frequency
Contactor, this presets the first default first radio frequency switching circuit of switching command instruction and default second radio frequency switching circuit is the most disconnected
Open connection, preset external antenna mode of operation to enter.By controlling default first radio frequency switching circuit and presetting the second radio frequency
Contactor all disconnects, and the radio circuit of external antenna and mobile phone can be made to be electrically connected with, i.e. external antenna is in work
State, the built-in aerial of mobile phone is then in off working state.
Further, after in step S204, mobile phone switches to the step that this external antenna communicates, it is also possible to bag
Include following steps:
If detecting, this external antenna disconnects with mobile phone, then mobile phone sends and presets the second switching command to presetting radio frequency
Contactor, this is preset the second switching command and indicates this default radio frequency switching circuit to switch to preset built-in aerial mode of operation.
Such as, when mobile phone detects that external antenna is extracted from the earpiece holes of mobile phone, i.e. this external antenna and mobile phone
Disconnecting, the most now mobile phone sends and presets the most default radio frequency switching circuit of the second switching command, and this presets the second switching command
Instruction is preset radio frequency switching circuit and is switched to preset built-in aerial mode of operation, i.e. controls the radio circuit of built-in aerial and mobile phone
Connect, communicate so that mobile phone is switched to built-in aerial by external antenna.
Such as, mobile phone sends presets the most default radio frequency switching circuit of the second switching command, and this is preset the second switching command and refers to
Show that this default radio frequency switching circuit switches to preset built-in aerial mode of operation, can be particularly as follows: mobile phone transmission default second be cut
Changing instruction and to default first radio frequency switching circuit and preset the second radio frequency switching circuit, this is preset the second switching command instruction and presets
First radio frequency switching circuit and default second radio frequency switching circuit all close, and i.e. mobile phone is according to default second switching command, controls
Preset the first radio frequency switching circuit and default second radio frequency switching circuit all closes, so that the built-in aerial of mobile phone and radio frequency
Circuit connects, i.e. built-in aerial is in running order.
By when mobile phone detects that external antenna disconnects with mobile phone, control mobile phone switches back into built-in aerial and leads to
Letter, it is ensured that the communication of mobile phone is not interrupted.
From the foregoing, the changing method of the terminal antenna of the present embodiment offer, first determined if by terminal
Default communications band is used to communicate.Terminal determine its be currently in use default communications band communicate time, terminal obtains
Take the signal strength values of this default communications band, and judge that whether the signal strength values of this default communications band is less than preset signals
Intensity threshold.If judging, the signal strength values of this default communications band is less than preset signal strength threshold value, then detection terminal is
No access external antenna.In the case of detecting that terminal accesses external antenna, control terminal and switched to by built-in aerial external
Antenna transmitting-receiving signal of communication.Due to the frequency band range relatively terminal built-in antenna width of external antenna, in external antenna performance is also better than
Put antenna, therefore control terminal and switch to external antenna and communicate, terminal can be effectively improved relatively low frequency band communication is believed
Number transmitting-receiving ability.
3rd embodiment
For ease of preferably implementing the changing method of the terminal antenna that the embodiment of the present invention provides, the embodiment of the present invention also carries
Device for a kind of changing method based on above-mentioned terminal antenna.The wherein implication of noun and the changing method of above-mentioned terminal antenna
In identical, implement the explanation that details is referred in embodiment of the method.
Refer to the structural representation of the switching device of the terminal antenna that Fig. 3 a, Fig. 3 a provides for third embodiment of the invention
Figure, this device may include that and determines unit 301, acquiring unit 302, detector unit 303, and control unit 304.
Determine unit 301, be used for determining whether terminal communicates based on default communications band.
Such as, after terminal receives signal of communication, determine that unit 301, according to this signal of communication, determines if
Default communications band is used to communicate.Such as, determine the signal of communication that unit 301 receives according to terminal, determine that terminal is
No it be currently in use default relatively low frequency communications band and communicate.
If it is determined that unit 301 determines that terminal is not based on presetting communications band and communicates, such as, determine that unit 301 determines
Going out the communications band that terminal is currently in use is higher-frequency frequency range, and does not comprise default relatively low frequency communications band, due in terminal
Putting antenna and can preferably receive the signal of higher-frequency frequency range, the most in this case, terminal can be continuing with in it
Put antenna to communicate.
Acquiring unit 302, for if it is determined that terminal communicates based on default communications band, then obtains described presetting and leads to
The signal strength values of letter frequency range.
Such as, owing to terminal built-in antenna is poor to the receiving ability of relatively low frequent segment signal, therefore unit 301 is being determined
Determine when terminal communicates based on default relatively low frequency communications band, acquiring unit 302 obtain this relatively low frequency preset
The signal strength values of communications band.Then, whether the signal strength values of this relatively low frequency communications band preset of terminal judges is less than
Preset signal strength threshold value.
If the signal strength values that terminal judges goes out this relatively low frequency communications band preset is not less than preset signal strength threshold value,
Then show that the signal intensity compared with low frequency communications band preset that terminal built-in antenna receives is preferable, then terminal can continue
Its built-in aerial is used to communicate.
Detector unit 303, for when judging described signal strength values less than preset signal strength threshold value, detection is described
Whether terminal accesses external antenna.
Such as, the signal strength values of this relatively low frequency communications band preset is gone out in terminal judges less than preset signal strength threshold
In the case of value, show that the signal intensity compared with low frequency communications band preset that terminal built-in antenna receives is poor, then this
Time detector unit 303 detect whether terminal accesses external antenna.
In a kind of possible embodiment, detector unit 303 can detect outside whether terminal access as follows
Put antenna:
By default terminal applies and Magnetic Induction sensor, detect whether this terminal accesses external antenna.
Such as, integrated Magnetic Induction sensor on the radio circuit of terminal, permissible by Magnetic Induction sensor in advance
Detect the change of terminated level, and the change of the terminated level detected is sent to presetting terminal applies, by default terminal
Apply the change to terminated level to be analyzed, according to the analysis result of default terminal applies, detector unit 303 judges that terminal is
No access external antenna.
If detection 303 detects that terminal does not accesses external antenna, then terminal is continuing with its built-in aerial and communicates.
Control unit 304, if for detecting that described terminal accesses external antenna, then controls described terminal and switches to described
External antenna communicates.
Such as, if detector unit 303 detects that terminal is successfully accessed external antenna, then control unit 304 controls this terminal
Switched to this external antenna by built-in aerial communicate.
In a kind of possible embodiment, control unit 304 can control terminal as follows and switch to external
Antenna communicates:
Send preset the first switching command to preset radio frequency switching circuit, this preset the first switching command indicate this preset penetrate
Frequency circuit switch switches to preset external antenna mode of operation.
Such as, at the radio circuit of terminal and for accessing, on the terminal socket of external antenna, radio frequency can be set in advance
Contactor, and be defined as this radio frequency switching circuit presetting radio frequency switching circuit, this default radio frequency switching circuit is used for realizing
Switching between terminal built-in antenna and external antenna.For example, it is possible to arrange default radio frequency switching circuit when being in closure state,
The built-in aerial of terminal is connected with radio circuit, so that built-in aerial is in running order, and is opened by default radio circuit
The closure state closed is defined as presetting built-in aerial mode of operation.And default radio frequency switching circuit is set when being off,
The external antenna of terminal is connected with radio circuit, so that external antenna is in running order, and is opened by default radio circuit
The off-state closed is defined as presetting external antenna mode of operation.
Based on this, after detector unit 303 detects that terminal accesses external antenna, control unit 304 sends default
First switching command is to presetting radio frequency switching circuit, and this first switching command preset is for indicating the default radio circuit of terminal
Switch switches to the external antenna mode of operation preset, and the first switching command instruction such as preset is preset radio frequency switching circuit and entered
Entering off-state, so that external antenna is connected with the radio circuit of terminal, terminal communicates based on external antenna.
It is understood that compared to terminal built-in antenna, the frequency band range of external antenna is wider, relatively low frequency can be covered
Frequency range, external antenna performance is also better than built-in aerial simultaneously, during the signal difference of the relatively low frequent section therefore received in terminal, logical
Crossing access external antenna, control terminal is switched to external antenna by built-in aerial and communicates, can be effectively improved terminal to relatively
The transmitting-receiving ability of low frequency frequency band signals.
See also another knot of the switching device of the terminal antenna that Fig. 3 b, Fig. 3 b provides for third embodiment of the invention
Structure schematic diagram, this device can also include: signal generating unit 305 and switch unit 306.
Signal generating unit 305, is used for generating information, and it is that terminal accesses external sky that described information is used for pointing out user
Line.
Such as, the signal strength values of default relatively low frequency communications band is gone out in terminal judges less than preset signal strength threshold value
Time, signal generating unit 305 can generate information first, and being used for pointing out user is that terminal accesses external antenna.Such as generate list
Unit 305 prompting user accesses external antenna at the earpiece holes of terminal.
Based on this, the information that detector unit 303 can generate according to signal generating unit 305, whether detection terminal accesses
External antenna.
Switch unit 306, if for detecting that described external antenna disconnects with terminal, then sends and presets the second switching
Instruction is to presetting radio frequency switching circuit, and described second switching command of presetting indicates described default radio frequency switching circuit to switch to preset
Built-in aerial mode of operation.
Such as, when terminal detects that external antenna is extracted in terminal, when i.e. external antenna and terminal disconnect, eventually
The switch unit 306 of end sends the second switching command preset to default radio frequency switching circuit, this second switching command preset
Preset built-in aerial mode of operation for indicating default radio frequency switching circuit to enter, the second switching command instruction such as preset is pre-
If radio frequency switching circuit enters the closure state preset, so that built-in aerial is connected with terminal radio frequency circuit, terminal uses
Built-in aerial communicates.
When terminal detects that external antenna disconnects with terminal, in time terminal is switched to by switch unit 306
Built-in aerial communicates, it is ensured that the communication of terminal is not interrupted.
From the foregoing, the switching device of the terminal antenna of the present embodiment offer, first determined if by terminal
Default communications band is used to communicate.Terminal determine its be currently in use default communications band communicate time, terminal obtains
Take the signal strength values of this default communications band, and judge that whether the signal strength values of this default communications band is less than preset signals
Intensity threshold.If judging, the signal strength values of this default communications band is less than preset signal strength threshold value, then detection terminal is
No access external antenna.In the case of detecting that terminal accesses external antenna, control terminal and switched to by built-in aerial external
Antenna transmitting-receiving signal of communication.Due to the frequency band range relatively terminal built-in antenna width of external antenna, in external antenna performance is also better than
Put antenna, therefore control terminal and switch to external antenna and communicate, terminal can be effectively improved relatively low frequency band communication is believed
Number transmitting-receiving ability.
For the switching device of the described terminal antenna of the embodiment of the present invention, its each functional module can be integrated in one
Process in chip, it is also possible to be that modules is individually physically present, it is also possible to be that two or more modules are integrated in one
In module.Above-mentioned integrated module both can realize to use the form of hardware, it would however also be possible to employ software function module realizes.Described
If integrated module is using the form realization of software function module and as independent production marketing or use, it is also possible to storage
In a computer read/write memory medium, described storage medium is such as read only memory, disk or CD etc..
4th embodiment
For ease of being more fully understood that the present invention, the embodiment of the present invention also provides for a kind of mobile terminal.
Refer to the structural representation of the mobile terminal that Fig. 4, Fig. 4 provide for fourth embodiment of the invention, concrete, mobile
Terminal 400 includes the switching device 410 of terminal antenna, and the switching device 410 of this terminal antenna can be in above-described embodiment
The switching device of any terminal antenna;Wherein the switching device 410 of this terminal antenna can specifically include: determines unit 301, obtain
Take unit 302, detector unit 303, control unit 304, signal generating unit 305 and switch unit 306.
Wherein, the switching device 410 of terminal antenna within it puts between antenna and external antenna for mobile terminal 400
Row switching.In the switching device 410 of this terminal antenna really cell 301, acquiring unit 302, detector unit 303, control single
The function of unit 304, signal generating unit 305 and switch unit 306 describes in detail the most, and here is omitted.
Such as, due to the limited bandwidth of the built-in aerial of mobile terminal 400, it is caused to lead to for some relatively low frequent sections
The receiving ability of letter signal is poor.
In order to solve the problems referred to above, in a kind of possible embodiment, communication letter can be received at mobile terminal 400
After number, determine the communications band corresponding with this signal of communication.Afterwards, mobile terminal 400 will comprise its communication being currently in use
The information of frequency range sends to the switching device 410 of terminal antenna cell 301 really, by determining that unit 301 judges this communication
Whether frequency range includes the communications band preset, such as, it is judged that whether this communications band includes the relatively LF communication frequency preset
Section, such as 800 810MHz frequency ranges.
If it is determined that unit 301 judges the relatively low frequency communications band not including in this communications band presetting, then mobile terminal
Its built-in aerial receiving and transmitting signal can be continuing with.Such as, now determine that unit 301 can send a default instruction to moving
The central processing unit of dynamic terminal 400, the instruction instruction terminal that this is preset is continuing with its built-in aerial.
If it is determined that unit 301 judges the relatively low frequency communications band that this communications band includes presetting, the most now can touch
Send out acquiring unit 302 and obtain the signal strength values of this relatively low frequency communications band preset, and determine whether this signal strength values
Whether less than preset signal strength threshold value.
If mobile terminal 400 judges that this signal strength values is not less than preset signal strength threshold value, then mobile terminal 400 can
To be continuing with its built-in aerial reception signal of communication.
If mobile terminal 400 judges that this signal strength values, then can be by signal generating unit less than preset signal strength threshold value
305 generate information first, and to point out user to access external antenna for mobile terminal 400, such as prompting user is mobile whole
External antenna is accessed at the earpiece holes of end 400.Afterwards, this information generated based on signal generating unit 305, by detector unit
Whether 303 detection mobile terminals 400 access external antenna.
If detector unit 303 detects that mobile terminal 400 does not accesses external antenna, then mobile terminal 400 is continuing with it
Built-in aerial receives signal of communication.If detector unit 303 detects that mobile terminal 400 accesses external antenna, then control unit 304
Control mobile terminal 400 and switch to this external antenna reception signal, and receive signal not in use by built-in aerial.
Such as, in a kind of possible embodiment, control unit 304 controls mobile terminal 400 and switches to this external sky
Line receives signal, can be particularly as follows: send and preset the most default radio frequency switching circuit of the first switching command, and this is preset the first switching and refers to
Order indicates this default radio frequency switching circuit to switch to preset external antenna mode of operation.
For example, it is possible in advance at the radio circuit of mobile terminal 400 and for accessing the terminal socket of external antenna
Radio frequency switching circuit is set, and is defined as this radio frequency switching circuit presetting radio frequency switching circuit, this default radio frequency switching circuit
For realizing the switching between terminal built-in antenna and external antenna.It is in closes for example, it is possible to arrange default radio frequency switching circuit
During conjunction state, the built-in aerial of terminal is connected with radio circuit, so that built-in aerial is in running order, and penetrates presetting
The closure state of frequency circuit switch is defined as presetting built-in aerial mode of operation.And default radio frequency switching circuit is set and is in disconnection
During state, the external antenna of terminal is connected with radio circuit, so that external antenna is in running order, and by default radio frequency
The off-state of contactor is defined as presetting external antenna mode of operation.
Based on this, after detector unit 303 detects that mobile terminal 400 accesses external antenna, control unit 304 sends
The first switching command preset is to presetting radio frequency switching circuit, and this first switching command preset is for indicating the default of terminal to penetrate
Frequency circuit switch switches to the external antenna mode of operation preset, and radio circuit is preset in the first switching command instruction such as preset
Switch enters off-state, so that external antenna is connected with the radio circuit of terminal, terminal is led to based on external antenna
Letter.
Switch to after external antenna communicates at mobile terminal 400, mobile terminal 400 detect this external antenna whether by
Extract from mobile terminal 400.If detecting, this external antenna is extracted on mobile terminal 400, then switch unit 306 controls
Mobile terminal 400 switches back into built-in aerial and communicates.Such as, switch unit 306 sends the second switching command preset in advance
If radio frequency switching circuit, the closed form that this second switching command preset is preset for indicating default radio frequency switching circuit to enter
State, i.e. enters and presets built-in aerial mode of operation, so that built-in aerial is connected with terminal radio frequency circuit, mobile terminal 400
Use built-in aerial communicates.
The changing method of a kind of terminal antenna, device and the mobile terminal that are thered is provided the embodiment of the present invention above are carried out
Being discussed in detail, principle and the embodiment of the present invention are set forth by specific case used herein, above example
Method and the core concept thereof being only intended to help to understand the present invention is described;Simultaneously for those skilled in the art, according to this
The thought of invention, the most all will change, and in sum, this specification content should not
It is interpreted as limitation of the present invention.
Claims (11)
1. the changing method of a terminal antenna, it is characterised in that described method includes:
Determine whether terminal communicates based on default communications band;
If it is determined that terminal communicates based on default communications band, then obtain the signal strength values of described default communications band;
When judging described signal strength values less than preset signal strength threshold value, detect whether described terminal accesses external sky
Line;
If detecting, described terminal accesses external antenna, then control described terminal and switch to described external antenna and communicate.
The changing method of terminal antenna the most according to claim 1, it is characterised in that when judging described signal intensity
After value is less than the step of preset signal strength threshold value, also include:
Generating information, it is that terminal accesses external antenna that described information is used for pointing out user;
Whether the described terminal of described detection accesses external antenna includes: based on described information, detect whether described terminal connects
Enter external antenna.
The changing method of terminal antenna the most according to claim 2, it is characterised in that whether the described terminal of described detection connects
Enter external antenna to include:
By default terminal applies and Magnetic Induction sensor, detect whether described terminal accesses external antenna.
The changing method of terminal antenna the most according to claim 3, it is characterised in that the described terminal of described control switches to
Described external antenna communicates and includes:
Sending and preset the most default radio frequency switching circuit of the first switching command, described default first described the presetting of switching command instruction is penetrated
Frequency circuit switch switches to preset external antenna mode of operation.
The changing method of terminal antenna the most according to claim 4, it is characterised in that switch to institute controlling described terminal
After stating the step that external antenna communicates, also include:
If detecting, described external antenna disconnects with terminal, then send default second switching command and open to presetting radio circuit
Closing, described second switching command of presetting indicates described default radio frequency switching circuit to switch to preset built-in aerial mode of operation.
6. the switching device of a terminal antenna, it is characterised in that described device includes:
Determine unit, be used for determining whether terminal communicates based on default communications band;
Acquiring unit, for if it is determined that terminal communicates based on default communications band, then obtains described default communications band
Signal strength values;
Detector unit, for when judging described signal strength values less than preset signal strength threshold value, detecting described terminal is
No access external antenna;
Control unit, if for detecting that described terminal accesses external antenna, then controlling described terminal and switch to described external sky
Line communicates.
The switching device of terminal antenna the most according to claim 6, it is characterised in that described device also includes:
Signal generating unit, is used for generating information, and it is that terminal accesses external antenna that described information is used for pointing out user;
Described detector unit is used for: based on described information, detects whether described terminal accesses external antenna.
The switching device of terminal antenna the most according to claim 7, it is characterised in that described detector unit is used for: pass through
Preset terminal applies and Magnetic Induction sensor, detect whether described terminal accesses external antenna.
The switching device of terminal antenna the most according to claim 8, it is characterised in that described control unit is used for: send
Presetting the first switching command and extremely preset radio frequency switching circuit, described first switching command of presetting indicates described default radio circuit to open
Pass switches to preset external antenna mode of operation.
The switching device of terminal antenna the most according to claim 9, it is characterised in that described device also includes:
Switch unit, if for detecting that described external antenna disconnects with terminal, then sends and presets the second switching command extremely
Presetting radio frequency switching circuit, described second switching command of presetting indicates described default radio frequency switching circuit to switch to preset built-in sky
Lineman's operation mode.
11. 1 kinds of mobile terminals, it is characterised in that include cutting of the terminal antenna described in any one in claim 6 to 10
Changing device.
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