CN108363082A - A kind of method and device reducing GPS positioning power consumption - Google Patents
A kind of method and device reducing GPS positioning power consumption Download PDFInfo
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- CN108363082A CN108363082A CN201810106911.0A CN201810106911A CN108363082A CN 108363082 A CN108363082 A CN 108363082A CN 201810106911 A CN201810106911 A CN 201810106911A CN 108363082 A CN108363082 A CN 108363082A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/34—Power consumption
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- Position Fixing By Use Of Radio Waves (AREA)
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Abstract
The invention discloses the methods for reducing GPS positioning power consumption, including：Obtain GPS signal strength；Judge whether GPS signal strength is greater than or equal to preset first signal strength, if so, control smart machine carries out GPS positioning using the first variable frequency work pattern.In addition, the invention also discloses the devices for reducing GPS positioning power consumption, including：Signal strength acquisition module, for obtaining GPS signal strength；Judgment module is connected with signal strength acquisition module, including：First judging submodule, for judging whether GPS signal strength is greater than or equal to preset first signal strength；Control module is connected with judgment module, for when judgment module judges that GPS signal strength is greater than or equal to preset first signal strength, control smart machine to carry out GPS positioning using the first variable frequency work pattern.Through the invention, GPS module power consumption is reduced, and can ensure the accuracy of GPS navigation.
Description
Technical field
The present invention relates to GPS positioning technologies, more particularly to reduce the method and device of GPS positioning power consumption.
Background technology
Current era GPS positioning service has become the indispensable part of modern life trip, and GPS positioning technology is employed
In daily life, such as vehicle mounted guidance, mobile phone GPS navigation, intelligent wearable device GPS navigation etc..Existing GPS positioning technology
Be by data information transfer real-time between smart machine GPS module and satellite and calculate at this very moment position letter
Breath, the time interval of this calculating location information is in nanosecond rank.This large amount of quickly data calculation processings can cause very big
Power consumption, bigger electric quantity consumption can be brought to smart machine.
Invention content
The present invention provides a kind of method reducing GPS positioning power consumption, to solve GPS positioning consumption intelligence in the prior art
The technical issues of equipment a large amount of power consumptions.Specifically, technical scheme is as follows：
On the one hand, the present invention provides a kind of methods reducing GPS positioning power consumption, including：It is strong that S400 obtains GPS signal
Degree；S500 judges whether the GPS signal strength is greater than or equal to preset first signal strength, if so, into next step；
S600 controls the smart machine and carries out GPS positioning using the first variable frequency work pattern.
Preferably, further include before the step S400：S100 receives startup smart machine GPS navigation input by user
The instruction of function；S200 searches for the satellite-signal of GPS positioning, and is positioned according to the satellite-signal；S300 judges positioning
Whether succeed, if so, executing step 400, otherwise return to step S200.
Preferably, the method for reducing GPS positioning power consumption further includes：S700 is preset when the GPS signal strength is less than
The first signal strength when, continue to judge whether the GPS signal strength is less than preset second signal intensity, if so, into
Otherwise step S800 enters step S900；Wherein, the preset second signal intensity is less than preset first signal
Intensity；S800 controls the smart machine and carries out GPS positioning in real time using normal mode of operation；S900 controls the smart machine
GPS positioning is carried out using the second variable frequency work pattern.
Preferably, the step S600 includes：S610 carries out data communication with satellite every the first preset duration and calculates
Current location information；The step S900 includes：S910 carries out data communication and calculates to work as every the second preset duration with satellite
Front position information；Second preset duration is less than first preset duration.
Preferably, step is also executed after the step S800：S850 is when the smart machine is using normal work mould
When formula carries out GPS positioning in real time, starts alignment sensor and carry out auxiliary positioning.
On the other hand, the invention also discloses the device for reducing GPS positioning power consumption, which can be used the reduction of the present invention
The method of GPS positioning power consumption, specifically, including：Signal strength acquisition module, for obtaining GPS signal strength；Judgment module,
It is connected with the signal strength acquisition module, including：First judging submodule, for judging whether the GPS signal strength is big
In or equal to preset first signal strength；Control module is connected with the judgment module, for judging when the judgment module
When the GPS signal strength is greater than or equal to preset first signal strength, controls the smart machine and use the first frequency conversion work
Operation mode carries out GPS positioning.
Preferably, the device for reducing GPS positioning power consumption further includes：Command reception module, for receiving user's input
Startup smart machine GPS navigation function instruction；GPS positioning module is connected with described instruction receiving module and judgment module,
Satellite-signal for searching for GPS positioning, and positioned according to the satellite-signal；The judgment module further includes：Second
Judging submodule, for judging whether the GPS positioning module positioning succeeds；When the GPS positioning module positions successfully, lead to
It crosses the signal strength acquisition module and obtains GPS signal strength；When GPS positioning module positioning is unsuccessful, then return logical
The GPS positioning module is crossed to continue to position.
Preferably, the judgment module further includes：Third judging submodule, for judging when first judging submodule
When the GPS signal strength is less than preset first signal strength, the third judging submodule judges the GPS signal strength
Whether preset second signal intensity is less than；The control module is additionally operable to judge the GPS when the third judging submodule
When signal strength is less than preset second signal intensity, controls the smart machine and GPS is carried out using normal mode of operation in real time
Positioning；When the third judging submodule judges that the GPS signal strength is greater than or equal to preset second signal intensity, control
The smart machine is made using the second variable frequency work pattern to carry out GPS positioning；Wherein, the preset second signal intensity is small
In preset first signal strength.
Preferably, the GPS positioning module, is additionally operable to：When first judging submodule judges the GPS signal strength
When more than or equal to preset first signal strength, under the control of the control module, every the first preset duration and satellite
It carries out data communication and calculates current location information；When first judging submodule judges that the GPS signal strength is less than in advance
If the first signal strength, and the third judging submodule judge the GPS signal strength be greater than or equal to preset second
When signal strength, under the control of the control module, carry out data communication and calculate to work as with satellite every the second preset duration
Front position information；Second preset duration is less than first preset duration.
Preferably, it is described reduce GPS positioning power consumption device, further include：Locating module is sensed, with the control module phase
Even, for when the smart machine carries out GPS positioning in real time using normal mode of operation, being carried out by the alignment sensor
Auxiliary positioning.
The present invention at least has with the next item down technique effect：
(1) present invention uses corresponding operating mode by obtaining GPS signal strength according to the grade of GPS signal strength
GPS positioning is carried out, to reduce the power consumption of GPS generations, has achieved the purpose that equipment power saving, and do not influence GPS positioning
Precision.
(2) GPS signal strength has been divided into three ranges by the present invention, according to the GPS signal strength value of acquisition, judges its institute
Range, and then control smart machine GPS positioning is carried out using corresponding operating mode.Specifically, working as GPS signal strength
Gao Shi carries out GPS positioning every the first preset duration, and when GPS signal strength is general, GPS is carried out every the second preset duration
Positioning, when GPS signal strength is weak, carries out GPS positioning in real time, wherein the first preset duration is more than the second preset duration.So
It can flexibly be switched according to GPS signal strength, neither influence the precision of GPS positioning, power consumption can also be reduced.
(3) present invention in, when GPS signal be less than preset second signal intensity when, can also by alignment sensor into
Row auxiliary positioning so that it is weak in GPS signal, or even when can not carry out GPS positioning, positioning can be obtained by alignment sensor,
The location requirement for meeting user improves the Experience Degree of user.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the flow chart for the embodiment of the method that the present invention reduces GPS positioning power consumption；
Fig. 2 is the flow chart for another embodiment of method that the present invention reduces GPS positioning power consumption；
Fig. 3 is the flow chart for another embodiment of method that the present invention reduces GPS positioning power consumption；
Fig. 4 is the flow chart for another embodiment of method that the present invention reduces GPS positioning power consumption；
Fig. 5 is the block diagram for the device embodiment that the present invention reduces GPS positioning power consumption；
Fig. 6 is the block diagram for another embodiment of device that the present invention reduces GPS positioning power consumption.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
On the one hand, the present invention provides a kind of method reducing GPS positioning power consumption, embodiment is as shown in Figure 1, include：
S400 obtains GPS signal strength；
S500 judges whether the GPS signal strength is greater than or equal to preset first signal strength, if so, into next
Step；
S600 controls the smart machine and carries out GPS positioning using the first variable frequency work pattern.
Technical solution provided in this embodiment can not influence GPS entirety locating effects, the premise that user uses, experiences
Get off to reduce GPS power consumptions, to realize the purpose of power saving.Specifically, GPS signal strength can be obtained, if GPS signal strength
More than or equal to preset first signal strength, such as 38dB, then can think that signal strength is relatively good, then
GPS positioning is carried out using the first variable frequency work pattern, to reduce GPS power consumptions.For example a GPS positioning is carried out every 15S,
GPS positioning need not be at every moment carried out in this way, thus greatly reduce the power consumption of GPS positioning consumption.
Another embodiment of the present invention, as shown in Fig. 2, including：
S100 receives the instruction input by user for starting smart machine GPS navigation function；
S200 searches for the satellite-signal of GPS positioning, and is positioned according to the satellite-signal；
S300 judges whether positioning succeeds, if so, executing step 400, otherwise return to step S200；
S400 obtains GPS signal strength；
S500 judges whether the GPS signal strength is greater than or equal to preset first signal strength, if so, into next
Step；
S600 controls the smart machine and carries out GPS positioning using the first variable frequency work pattern.
In above-described embodiment, the satellite-signal of step S200 search GPS positionings generally requires specified a period of time to search
Collect enough signals.That is after the GPS navigation function of smart machine is opened, signal search is first carried out, for example probably need
It 15 minutes or so time, is positioned after searching enough signals, then judges whether positioning succeeds, after positioning successfully, then
GPS signal strength is monitored, when GPS signal strength is greater than or equal to preset first signal strength, then illustrates GPS signal strength
It is stronger, then the first variable frequency work pattern may be used to carry out GPS positioning, such as at regular intervals (such as 12S) into
Row one-time positioning, rather than positioning in real time, to which power consumption can be reduced, and since GPS signal strength is relatively good, then positioning
Can be more accurate than very fast, nor affect on the experience of user.
Preferably, at regular intervals, such as 10 minutes, then lower GPS signal strength is reacquired again, to see whether need
Adjust operating mode.It is of course also possible to obtain GPS signal strength in real time, once signal strength fluctuates, also can in time into
The adjustment of row operating mode.
Another embodiment of the method for the present invention, as shown in figure 3, including：
S400 obtains GPS signal strength；
S500 judges whether the GPS signal strength is greater than or equal to preset first signal strength, if so, into next
Step；
S600 controls the smart machine and carries out GPS positioning using the first variable frequency work pattern.
S700 continues to judge the GPS signal strength when the GPS signal strength is less than preset first signal strength
Otherwise whether less than preset second signal intensity, S900 is entered step if so, entering step S800；Wherein, described default
Second signal intensity be less than preset first signal strength；
S800 controls the smart machine and carries out GPS positioning in real time using normal mode of operation；
S900 controls the smart machine and carries out GPS positioning using the second variable frequency work pattern.
In above-described embodiment, when GPS signal strength is less than preset first signal strength, but more than or equal to preset the
When binary signal intensity, then smart machine is controlled using the second variable frequency work pattern to carry out GPS positioning.For example, the first frequency conversion work
Operation mode is to carry out calculating location information every 12S to be positioned；Second variable frequency work pattern is to carry out calculating location information every 5S
It is positioned.Because GPS signal strength, which is in, is less than preset first signal strength, but is greater than or equal to preset second signal
When intensity, it can be determined that GPS signal strength is normal value at this time, then can (the using the operating mode less than the first frequency conversion
Two variable frequency work patterns).And if GPS signal strength is less than preset second signal intensity, GPS at this time can be considered as
Signal strength is weaker, then just needing in real time by GPS positioning, to ensure the accurate of GPS positioning.
Preferably, step S600 described in above-described embodiment includes：S610 is every the first preset duration and satellite into line number
According to communicating and calculate current location information；
The step S900 includes：S910 carries out data communication every the second preset duration and satellite and calculates current location
Information；Second preset duration is less than first preset duration.
That is the first variable frequency work pattern is to carry out data communication and calculate to work as with satellite every the first preset duration
Front position information；Second variable frequency work pattern is to carry out data communication every the second preset duration and satellite and calculate present bit
Confidence ceases；Second preset duration is less than first preset duration.
Another embodiment of the present invention also executes step after the step S800 on the basis of the above embodiments：
S850 when the smart machine carries out GPS positioning in real time using normal mode of operation, start alignment sensor into
Row auxiliary positioning.
Normal mode of operation refers to being positioned in real time by GPS, this is because GPS signal is weaker, to ensure that accuracy rate then needs
It to be positioned in real time by GPS.But if GPS signal is too weak, so that can not position, then we can be by other equipment
Located.For example auxiliary positioning is carried out by alignment sensor, so that GPS signal is very weak or does not have GPS to believe
Number when use.For example positioned by sensors such as acceleration, gyroscopes, acceleration obtains the speed that smart machine is advanced
Degree, gyroscope obtain the direction advanced, and the two combines to realize accurate positioning function.In addition, to avoid sensor from positioning
Error, the error of alignment sensor can also be calibrated when GPS signal strength is high, after GPS precise positionings, it is fixed to improve
The accuracy of position.Meanwhile we can also use (such as 5 minutes) unlatching GPS positioning at regular intervals, and at this section
Interior to be positioned using alignment sensor, in this way, can equally reduce the power consumption of GPS positioning, the power consumption of sensor positioning is general
It is smaller, therefore, generally speaking, total lower power consumption generated by positioning.
Another embodiment of the method for the present invention can allow intelligent navigation equipment GPS system to be selected according to GPS signal power
The pattern of different frequency processing calculating location information reduces electricity consumption of equipment but does not influence overall navigation and imitate to realize reduction power consumption
Fruit.It is first that 15 minutes is needed to scan for satellite-signal opening GPS navigation, it is ensured that search enough signals；
Self monitor satellite signal strength CN values inside its secondary control GPS system；Third step is selected not according to signal strength
With the operating mode of calculating location information frequency.Specifically, as shown in figure 4, its particular content includes：
(1) smart machine GPS navigation function is opened
(2) start to position (15 minutes), it is ensured that collect enough GPS signals, continue to position if positioning is unsuccessful
(3) GPS in house softwares program reads current GPS satellites signal strength CN values (carrier-to-noise ratio) in real time, and is judged
Signal strength is strong and weak (it is that signal is strong that CN values, which are more than or equal to 40, and it is that signal is weak that CN values, which are less than 20, and CN values are normal 20~40).
(4) which kind of pattern is GPS in house softwares program take according to the control GPS positioning processing of GPS signal CN values：
1. CN values are more than or equal to 40：10s frequency-conversion processing patterns carry out data communication at interval of 10s and satellite and handle
Positional information calculation pattern；
2. CN values are less than 20：Not variable mode keeps existing positional information calculation pattern；
3. CN values are between 20 and 40：2s variable modes carry out data communication every 2s and satellite and handle primary
Positional information calculation pattern.
The present embodiment is the technology that frequency-conversion processing calculating location information is controlled based on GPS signal power, can reduce GPS moulds
Block power consumption reduces navigation equipment power consumption to reach, and can ensure the accuracy of GPS navigation.
Based on the same technical idea, the invention also discloses the device for reducing GPS positioning power consumption, which can be used this
The method of the reduction GPS positioning power consumption of invention, specifically, as shown in figure 5, including：Signal strength acquisition module 10, for obtaining
GPS signal strength；Judgment module 20 is connected with the signal strength acquisition module 10, including：First judging submodule 21 is used
In judge the GPS signal strength whether be greater than or equal to preset first signal strength；Control module 30, with the judgement mould
Block 20 is connected, and judges that the GPS signal strength is greater than or equal to preset first signal strength for working as the judgment module 20
When, the smart machine is controlled using the first variable frequency work pattern to carry out GPS positioning.
In present apparatus embodiment, the device for reducing GPS positioning power consumption is based on GPS signal power control smart machine using not
The operating mode of same frequency, and then handle calculating location information.
Another embodiment of the present invention, on the basis of the above embodiments, as shown in fig. 6, the reduction GPS positioning power consumption
Device further include：Command reception module 40, for receiving the instruction input by user for starting smart machine GPS navigation function；
GPS positioning module 50 is connected with described instruction receiving module 40 and judgment module 20, the satellite-signal for searching for GPS positioning,
And it is positioned according to the satellite-signal；The judgment module 20 further includes：Second judgment submodule 22, for judging
State whether the positioning of GPS positioning module 50 succeeds；When the GPS positioning module 50 positions successfully, obtained by the signal strength
Modulus block 10 obtains GPS signal strength；When the GPS positioning module 50 positions unsuccessful, then the GPS positioning is passed back through
Module 50 continues to position.
It before obtaining GPS signal, is first instructed according to user's location navigation, opens GPS positioning function, then search for GPS
The satellite-signal of positioning generally requires 15 minutes or so stand-by period, then smart machine to ensure that the signal collected is enough
It is positioned according to the satellite-signal searched, obtains GPS signal strength after positioning successfully again, and then according to GPS signal strength
Control smart machine takes different operating modes to be positioned.
Preferably, on the basis of above-mentioned apparatus embodiment, the judgment module 20 further includes：Third judging submodule
23, for when first judging submodule 21 judge the GPS signal strength be less than preset first signal strength when, it is described
Third judging submodule 23 judges whether the GPS signal strength is less than preset second signal intensity；The control module 30,
It is additionally operable to when the third judging submodule 23 judges that the GPS signal strength is less than preset second signal intensity, control
The smart machine carries out GPS positioning in real time using normal mode of operation；When the third judging submodule 23 judges the GPS
Signal strength be greater than or equal to preset second signal intensity when, control the smart machine using the second variable frequency work pattern come
Carry out GPS positioning；Wherein, the preset second signal intensity is less than preset first signal strength.
In above-mentioned apparatus embodiment, smart machine is controlled according to the grade of GPS signal strength and takes different operating modes
It positions, specifically, when GPS signal strength is more than preset first signal strength (signal is strong), control smart machine uses
First variable frequency work pattern is such as primary by GPS positioning every 10s to position；When GPS signal strength is less than preset first
Signal strength, but more than or equal to preset second signal intensity when (in signal strength range of normal value), control smart machine
It is positioned using the second variable frequency work pattern, such as primary by GPS positioning every 5S；When GPS signal strength is less than preset
When second signal intensity (signal strength is weak), control smart machine is positioned using normal mode of operation, fixed by GPS in real time
Position.
Preferably, the GPS positioning module 50, is additionally operable to：When first judging submodule 21 judges the GPS signal
When intensity is greater than or equal to preset first signal strength, under the control of the control module 30, every the first preset duration
Data communication is carried out with satellite and calculates current location information；When first judging submodule 21 judges that the GPS signal is strong
Degree is less than preset first signal strength, and the third judging submodule 23 judges that the GPS signal strength is greater than or equal to
When preset second signal intensity, under the control of the control module 30, data are carried out every the second preset duration and satellite
It communicates and calculates current location information；Second preset duration is less than first preset duration.
Another embodiment of apparatus of the present invention, based on any of the above embodiments, the reduction GPS positioning power consumption
Device further includes：Locating module 60 is sensed, is connected with the control module 30, for using normal work when the smart machine
When operation mode carries out GPS positioning in real time, auxiliary positioning is carried out by the alignment sensor.Since GPS signal strength is less than pre-
If second signal intensity when, possible GPS signal is very weak, so that can not position, at this moment, in order to not influence the positioning of user
Demand then can sense locating module 60 to position, specifically, such as passing through acceleration transducer and gyroscope knot by unlatching
The mode of conjunction is positioned, and to meet the location requirement of user, once GPS signal strength is got higher, can carry out GPS precise positionings
, then positioned by GPS, likewise, different operating modes can be used to control smart machine according to GPS signal strength
It positions, meanwhile, the information of GPS positioning can be used as the reference standard that sensing locating module 60 is calibrated, convenient for sensing locating module
60 calibrate the error of itself in time, improve the accuracy of positioning.
The device of the reduction GPS positioning power consumption of the present invention can be integrated in smart machine, that is to say, that be wrapped in smart machine
The device of reduction GPS positioning power consumption containing the present invention so that the smart machine may be implemented to reduce GPS positioning power consumption.In this way,
Smart machine realizes reduction power consumption according to GPS signal power come the pattern for selecting different frequency to handle calculating location information, drops
Low electricity consumption of equipment but do not influence overall navigation effect.First when opening GPS navigation, 15 minutes are needed to scan for defending
Star signal, it is ensured that search enough signals；Self monitor satellite signal strength CN values inside its secondary control GPS system；Third
Step is then the operating mode for according to signal strength select different calculating location information frequencies.
The device of the invention embodiment is corresponding with the embodiment of the method for the present invention, and the technology of embodiment of the method for the invention is thin
Section can equally be well applied to the device of the invention embodiment, repeats, repeats no more to reduce.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of method reducing GPS positioning power consumption, which is characterized in that including：
S400 obtains GPS signal strength；
S500 judges whether the GPS signal strength is greater than or equal to preset first signal strength, if so, entering in next step
Suddenly；
S600 controls the smart machine and carries out GPS positioning using the first variable frequency work pattern.
2. a kind of method reducing GPS positioning power consumption according to claim 1, which is characterized in that in the step S400
Further include before：
S100 receives the instruction input by user for starting smart machine GPS navigation function；
S200 searches for the satellite-signal of GPS positioning, and is positioned according to the satellite-signal；
S300 judges whether positioning succeeds, if so, executing step 400, otherwise return to step S200.
3. a kind of method reducing GPS positioning power consumption according to claim 1, which is characterized in that further include：
S700 continues whether to judge the GPS signal strength when the GPS signal strength is less than preset first signal strength
Less than preset second signal intensity, if so, entering step S800, otherwise, S900 is entered step；Wherein, described preset
Binary signal intensity is less than preset first signal strength；
S800 controls the smart machine and carries out GPS positioning in real time using normal mode of operation；
S900 controls the smart machine and carries out GPS positioning using the second variable frequency work pattern.
4. a kind of method reducing GPS positioning power consumption according to claim 3, which is characterized in that the step S600 packets
It includes：
S610 carries out data communication every the first preset duration and satellite and calculates current location information；
The step S900 includes：
S910 carries out data communication every the second preset duration and satellite and calculates current location information；Second preset duration
Less than first preset duration.
5. a kind of method reducing GPS positioning power consumption according to claim 3 or 4, which is characterized in that in the step
Step is also executed after S800：
It is auxiliary to start alignment sensor progress when the smart machine carries out GPS positioning in real time using normal mode of operation by S850
Help positioning.
6. a kind of a kind of reduction GPS positioning work(for the method reducing GPS positioning power consumption using claim 1-5 any one of them
The device of consumption, which is characterized in that including：
Signal strength acquisition module, for obtaining GPS signal strength；
Judgment module is connected with the signal strength acquisition module, including：
First judging submodule, for judging whether the GPS signal strength is greater than or equal to preset first signal strength；
Control module is connected with the judgment module, judges that the GPS signal strength is more than or waits for working as the judgment module
When preset first signal strength, the smart machine is controlled using the first variable frequency work pattern to carry out GPS positioning.
7. a kind of device reducing GPS positioning power consumption according to claim 6, which is characterized in that including：
Command reception module, for receiving the instruction input by user for starting smart machine GPS navigation function；
GPS positioning module is connected with described instruction receiving module and judgment module, the satellite-signal for searching for GPS positioning, and
It is positioned according to the satellite-signal；
The judgment module further includes：
Second judgment submodule, for judging whether the GPS positioning module positioning succeeds；When the GPS positioning module positions
When success, GPS signal strength is obtained by the signal strength acquisition module；When GPS positioning module positioning is unsuccessful,
The GPS positioning module is then passed back through to continue to position.
8. a kind of device reducing GPS positioning power consumption according to claim 7, which is characterized in that
The judgment module further includes：
Third judging submodule, for judging that the GPS signal strength is less than preset first when first judging submodule
When signal strength, the third judging submodule judges whether the GPS signal strength is less than preset second signal intensity；
The control module is additionally operable to judge that the GPS signal strength is less than preset second when the third judging submodule
When signal strength, controls the smart machine and GPS positioning is carried out using normal mode of operation in real time；When the third judges submodule
When block judges that the GPS signal strength is greater than or equal to preset second signal intensity, controls the smart machine and use second
Variable frequency work pattern carries out GPS positioning；Wherein, it is strong to be less than preset first signal for the preset second signal intensity
Degree.
9. a kind of device reducing GPS positioning power consumption according to claim 8, which is characterized in that
The GPS positioning module, is additionally operable to：
When first judging submodule judges that the GPS signal strength is greater than or equal to preset first signal strength,
Under the control of the control module, carries out data communication every the first preset duration and satellite and calculate current location information；
When first judging submodule judges that the GPS signal strength is less than preset first signal strength, and the third
When judging submodule judges that the GPS signal strength is greater than or equal to preset second signal intensity, in the control module
Under control, carries out data communication every the second preset duration and satellite and calculate current location information；Second preset duration
Less than first preset duration.
10. a kind of device of reduction GPS positioning power consumption according to claim 8 or claim 9, which is characterized in that further include：
Sense locating module, be connected with the control module, for when the smart machine use normal mode of operation in real time into
When row GPS positioning, auxiliary positioning is carried out by the alignment sensor.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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