CN105334527A - Locating mode switching method and system for locating device - Google Patents
Locating mode switching method and system for locating device Download PDFInfo
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- CN105334527A CN105334527A CN201510857689.4A CN201510857689A CN105334527A CN 105334527 A CN105334527 A CN 105334527A CN 201510857689 A CN201510857689 A CN 201510857689A CN 105334527 A CN105334527 A CN 105334527A
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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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention provides a locating mode switching method and system for a locating device. The method comprises the steps that a next-time dotting location is predicted according to one-time or multiple-time locating information, wherein the locating information comprises movement trails, speed and/or accelerated speed; a locating mode is switched; a difference value between a first-time actual dotting location after the locating mode is switched and the predicted dotting location is calculated; when the difference value is smaller than a preset threshold value, locating is performed by adopting the first-time actual dotting location, and an actual dotting mode is switched for dotting; when the difference value is larger than the preset threshold value, locating is performed by adopting the predicted dotting location. According to the method, when a user using the locating device needs to switch the locating mode, a locating mode of combining the actual locating information with the predicted locating information is adopted, and therefore the fact that locating is inaccurate due to the fact that the dotting location is drifted when the locating mode is switched is effectively avoided.
Description
Technical field
The present invention relates to the communications field, relate more specifically to the method and system switching locator meams for locating device.
Background technology
Along with the speed of urban development constantly accelerate, the continuous expansion of city size and townie day by day complicated, the trip of people more and more be unable to do without the help of various locating device, in addition, the elderly, children and some physical disabilities are very easy to wander away in urban life, also need locating device to help location to find.Currently used localization method mainly comprises GPS location, Wi-Fi location, architecture or its combination, and is assisted by gravity sensor (G-sensor).G-sensor induction precision is very high, reaches 0.001G, and very power saving, also can not cause very large burden to electric power supply so use in locating device.
But when adopting multiple positioning modes combination to position, can ensure that user adopts the locator meams of full accuracy to position, but if often position the switching of mode, then easily cause anchor point to drift about, cause location very inaccurate, Consumer's Experience is very poor.
Therefore, exist in this area and can ensure positioning precision for when locator meams switches, avoid the needs of the changing method drifted about.
Summary of the invention
In view of the above problems, propose the present invention, to provide a kind of the overcoming method and system that the problems referred to above or the locating device that solves the problem at least in part switch locator meams.
According to one aspect of the present invention, provide a kind of method that locating device improves positioning precision, comprising: according to the prediction of one or many locating information next time get position ready, wherein said locating information comprises movement locus, speed and/or acceleration; Switch locator meams; Calculate the difference got ready between position got position ready and predict actual first after switching locator meams; With when described difference is less than predetermined threshold value, position of getting ready actual first described in employing positions, and switches to actual dot method to get ready; When described difference is greater than predetermined threshold value, then the position adopting described prediction to get ready positions.
Alternatively, the method that locating device according to the abovementioned embodiments of the present invention improves positioning precision also comprises: when adopt described prediction get ready position position time, improve the described actual frequency got ready, and continuation is monitored and is calculated the difference got ready between position getting position and described prediction ready of described reality, until when the difference got ready between position getting position and described prediction ready of described reality is less than threshold value, switches to and adopt the position of getting ready of described reality to position.
Alternatively, improve according to the locating device of above-mentioned any embodiment of the present invention in the method for positioning precision, described raising is got frequency ready and is comprised: adopt the ratio getting difference between position and user moving speed ready getting position and described prediction ready of described reality to get frequency ready as described reality.
Alternatively, improve in the method for positioning precision according to the locating device of above-mentioned any embodiment of the present invention, the described actual frequency got ready of described raising comprises and the frequency got ready of described reality is increased to 2 times, 3 times, 4 times or more doubly.
Alternatively, after being also included in the described actual frequency got ready of raising according to the method for the locating device raising positioning precision of above-mentioned any embodiment of the present invention, when the difference got ready between position getting position and described prediction ready of described reality is less than threshold value, the position of getting ready adopting described reality is switched to position and the frequency of getting ready of described reality be reduced to and original get frequency ready.
Alternatively, the locating device according to above-mentioned any embodiment of the present invention improves in the method for positioning precision, and described threshold value is not more than 20 meters.
Alternatively, improve in the method for positioning precision according to the locating device of above-mentioned any embodiment of the present invention, described switching locator meams comprises: calculate corresponding setting accuracy according to the different locator meams signal intensities that described locating device receives, and adopt the highest locator meams of setting accuracy to position.
Alternatively, improve in the method for positioning precision according to the locating device of above-mentioned any embodiment of the present invention, described locator meams comprises architecture, wifi location, gps location or its combination.。
Alternatively, improve in the method for positioning precision according to the locating device of above-mentioned any embodiment of the present invention, before described switching locator meams, described locating device adopts GPS location to position.
Alternatively, the locating device according to above-mentioned any embodiment of the present invention improves in the method for positioning precision, and described locating device carries out auxiliary positioning by gravity sensor.
According to another aspect of the present invention, provide a kind of system improving setting accuracy for locating device, described system comprises: get prediction module ready, for predicting the position got ready according to one or many locating information next time, wherein said locating information comprises movement locus, speed and/or acceleration; Locator meams handover module, for switching locator meams; Computing module, for after switching locator meams, calculates the difference got ready between position got position ready and predict actual first after switching locator meams; With get information calling module ready, for when described difference is less than predetermined threshold value, position of getting ready actual first described in calling positions, or when described difference is greater than predetermined threshold value, the position of getting ready of calling described prediction positions.
Alternatively, locating device according to the abovementioned embodiments of the present invention improves in the system of positioning precision, described dot method is selected module to comprise and is got frequency adjustment module ready, for adopt described prediction get ready position position time, improve and actual get frequency ready.
Alternatively, improve in the system of positioning precision according to the locating device of above-mentioned any embodiment of the present invention, described in get that frequency adjustment module adopts the ratio getting difference between position and user moving speed ready getting position and described prediction ready of described reality as described reality ready get frequency ready.
Alternatively, improve in the system of positioning precision according to the locating device of above-mentioned any embodiment of the present invention, described in get frequency adjustment module ready and the frequency got ready of described reality be increased to 2 times, 3 times, 4 times or more doubly.
Alternatively, improve in the system of positioning precision according to the locating device of above-mentioned any embodiment of the present invention, described get ready frequency adjustment module improve described reality get frequency ready after, described get ready frequency adjustment module call when the difference got ready between position getting position and described prediction ready of described reality is less than threshold value described reality get position ready to position, and described in get frequency adjustment module ready the frequency of getting ready of described reality be reduced to and original get frequency ready
Alternatively, the locating device according to above-mentioned any embodiment of the present invention improves in the system of positioning precision, and described threshold value is not more than 20 meters.
Alternatively, improve in the system of positioning precision according to the locating device of above-mentioned any embodiment of the present invention, the different locator meams signal intensities that described locator meams handover module receives according to described locating device calculate corresponding setting accuracy, and adopt the highest locator meams of setting accuracy to position.
Alternatively, improve in the system of positioning precision according to the locating device of above-mentioned any embodiment of the present invention, described locator meams is architecture, wifi location, gps location or its combination.
Alternatively, improve in the system of positioning precision according to the locating device of above-mentioned any embodiment of the present invention, before described locator meams handover module switches locator meams, described locating device adopts GPS location to position.
Alternatively, the locating device according to above-mentioned any embodiment of the present invention improves in the system of positioning precision, and described locating device carries out auxiliary positioning by gravity sensor.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the process flow diagram of locator meams changing method 100 according to an embodiment of the invention;
Fig. 2 is the block diagram of locator meams switched system 200 according to an embodiment of the invention.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Principle of the present invention is applicable to any electronic equipment comprising locating device, includes but not limited to: wrist-watch, bracelet, mobile phone, panel computer, vehicle positioning system etc.
Principle of the present invention is applicable to any locating device needing the mode that positions to switch, and wherein said locator meams includes but not limited to: architecture, wifi location, gps location or its combination.。
Fig. 1 schematically illustrates locating device according to an embodiment of the invention and switches the process flow diagram of the method 100 of locator meams.As shown in Figure 1, method 100 starts from step S101, wherein according to one or many locating information prediction next time get position ready, wherein said locating information comprises movement locus, speed and/or acceleration.
As known to those skilled in the art, movement locus refer to movement particles in space the path of process.In the present invention, movement locus then refer to according to the object determined of one or many locating information obtained when positioning move in space the path of process.Alternatively, movement velocity refers to the instant movement velocity of the object that the one or many locating information obtained when positioning is determined.Alternatively, acceleration of motion refers to the instantaneous acceleration of the object that the one or many locating information obtained when positioning is determined.Alternatively, acceleration can be recorded by acceleration induction device, or calculates according to twice or more instant movement velocity and obtain.
When it be known to those skilled in the art that the track when known object moves, speed and acceleration, based on movement locus possible after these information prediction objects, thus the locating information of object can be predicted.Any applicable method as known in the art can be adopted to carry out the prediction of described movement locus and locating information.
Such as, after user enters tunnel suddenly, because gps signal is poor, locator meams is needed to switch to architecture from GPS location, after handover, first the geometric locus of these five times location is made according to the GPS locating information of 5 times before switching, and the size and Orientation of instantaneous velocity when last GPS locates is calculated according to geometric locus, then, according to the instantaneous acceleration (if any) that acceleration induction device records, last GPS location and the time period for the first time between architecture are run duration, calculate the track of motion in this time period, what obtain prediction thus gets position ready.
In the method for the invention, can persistence forecasting next time get position ready, also can occur locator meams switch time, the front locating information several times called in buffer memory is predicted and is got position ready.
After step slol, perform step S103, switch locator meams.Preferably, described switching locator meams comprises: calculate corresponding setting accuracy according to the different locator meams signal intensities that described locating device receives, and adopt the highest locator meams of setting accuracy to position.Such as can switch to independent another kind of locator meams by independent a kind of locator meams, such as be located by GPS and switch to Wi-Fi to locate or architecture; Integrated positioning mode can be switched to by independent a kind of locator meams, such as be located by GPS and switch to GPS locates and Wi-Fi locates combination, Wi-Fi location and the combination etc. of architecture; Independent a kind of locator meams can be switched to by integrated positioning mode, such as, switch to GPS location, Wi-Fi location or architecture by the combination that GPS locates and Wi-Fi locates; Another kind of integrated positioning mode can be switched to by integrated positioning mode, such as, be switched to the combination of Wi-Fi location and architecture by the combination that GPS locates and Wi-Fi locates.Preferably, when GPS locator meams being switched to the combination of other locator meamss or locator meams, method of the present invention is adopted to switch.
Particularly, such as, when GPS locates at 4 stars, intensity is when 40db, and precision is 5 meters; But when architecture, if base station signal strength is when-60db, its precision is at about 20 meters, and now locating device will select GPS to locate.
After step s 103, perform step S105, wherein calculate the difference got ready between position got position ready and predict actual first after switching locator meams.Alternatively, described difference for after the actual first absolute distance got ready between position got position ready and predict.
After step S105, perform step S107, when described difference is less than predetermined threshold value, position of getting ready actual first described in employing positions; When described difference is greater than predetermined threshold value, then the position adopting described prediction to get ready positions.
After step S107, perform step S109, when adopt described prediction get ready position position time, improve the described actual frequency got ready, and the difference continuing to calculate between position that the described actual position got ready and described prediction get ready, until when the difference between the position got ready of the described actual position got ready and described prediction is less than threshold value, switches to and adopt the position of getting ready of described reality to position.
According to embodiment of the present invention, improve get ready frequency can be adopt described actual get ready and described prediction get ready between difference and the ratio of user moving speed as the frequency of the dot method of described reality.Or, improve that to get frequency ready can be that described frequency of getting ready is increased to 2 times, 3 times, 4 times or more doubly.
After step S109, step S111 can also be performed, after frequency is got in raising ready, when difference between the position that the described actual position got ready and described prediction are got ready is less than threshold value, switch to adopt described reality get position ready when positioning, and the frequency of getting ready of described reality is reduced to and original gets frequency ready.
According to embodiments of the invention, described threshold value can be 20 meters or following, such as, can be 15 meters, 10 meters or 5 meters.
In the method for the invention, before locator meams switches and after switching, locating device can use gravity sensor to carry out auxiliary positioning.
In the middle of real life, may run into various needs switches the situation of locator meams, such as, when original locator meams signal is too weak, such as when through passing a bridge the end, tunnel or when having too many high building to block, the positioning signal of GPS will obviously weaken; Or the higher locator meams of positioning precision, the locator meams adopting power saving more etc. can adopted.But within switching a period of time just occurred, be easy to after handover drift about owing to getting information ready, therefore make location also drift about, can not locate accurately, have a strong impact on positioning precision.To this, the locating device that the invention discloses switches the method for locator meams, when needing using the user of locating device to switch locator meams, have employed locator meams actual location information combined with prediction locating information, effectively prevent the location caused owing to getting position generation drift ready when switching locator meams inaccurate.
Corresponding with said method 100, present invention also offers the system 200 that a kind of locating device switches locator meams.Fig. 2 schematically illustrates locating device according to an embodiment of the invention and switches the block diagram of the system 200 of locator meams.
As shown in Figure 2, system 200 can comprise and gets prediction module 210, locator meams handover module 230, computing module 250 ready and get information calling module 270 ready.
According to the present invention, get prediction module 210 ready and be suitable for use in and predict according to one or many locating information the position next time got ready, wherein said locating information comprises movement locus, speed and/or acceleration; Locator meams handover module 230, is applicable to switch locator meams; Computing module 250 is suitable for use in after switching locator meams, calculates the difference got ready between position got position ready and predict actual first after switching locator meams; Getting information calling module 270 ready is suitable for when described difference is less than predetermined threshold value, and position of getting ready actual first described in calling positions, or when described difference is greater than predetermined threshold value, the position of getting ready of calling described prediction positions.
Above-mentioned get prediction module 210, locator meams handover module 230, computing module 250 ready and get information calling module 270 ready may be used for performing above-mentioned locating device and switch step S101 in the method 100 of locator meams, S103, S105 and S107.
According to embodiments of the invention, first, get prediction module 210 ready and can predict according to the movement locus of one or many location, speed and acceleration the position next time got ready.
As known to those skilled in the art, movement locus refer to movement particles in space the path of process.In the present invention, movement locus then refer to according to the object determined of one or many locating information obtained when positioning move in space the path of process.Alternatively, movement velocity refers to the instant movement velocity of the object that the one or many locating information obtained when positioning is determined.Alternatively, acceleration of motion refers to the instantaneous acceleration of the object that the one or many locating information obtained when positioning is determined.Alternatively, acceleration can be recorded by acceleration induction device, or calculates according to twice or more instant movement velocity and obtain.
When it be known to those skilled in the art that the track when known object moves, speed and acceleration, based on movement locus possible after these information prediction objects, thus the locating information of object can be predicted.Any applicable method as known in the art can be adopted to carry out the prediction of described movement locus and locating information.
In the system of the present invention, get ready prediction module 210 can persistence forecasting next time get position ready, also can occur locator meams switch time, the front locating information several times called in buffer memory is predicted and is got position ready.
Such as, after user enters tunnel suddenly, because gps signal is poor, locator meams is needed to switch to architecture from GPS location, after handover, first the geometric locus of these five times location is made according to the GPS locating information of 5 times before switching, and the size and Orientation of instantaneous velocity when last GPS locates is calculated according to geometric locus, then, according to the instantaneous acceleration (if any) that acceleration induction device records, last GPS location and the time period for the first time between architecture are run duration, calculate the track of motion in this time period, what obtain prediction thus gets position ready.
Then, locator meams handover module 230 can switch locator meams.Preferably, described switching locator meams comprises: calculate corresponding setting accuracy according to the different locator meams signal intensities that described locating device receives, and adopt the highest locator meams of setting accuracy to position.Such as can switch to independent another kind of locator meams by independent a kind of locator meams, such as be located by GPS and switch to Wi-Fi to locate or architecture; Integrated positioning mode can be switched to by independent a kind of locator meams, such as be located by GPS and switch to GPS locates and Wi-Fi locates combination, Wi-Fi location and the combination etc. of architecture; Independent a kind of locator meams can be switched to by integrated positioning mode, such as, switch to GPS location, Wi-Fi location or architecture by the combination that GPS locates and Wi-Fi locates; Another kind of integrated positioning mode can be switched to by integrated positioning mode, such as, be switched to the combination of Wi-Fi location and architecture by the combination that GPS locates and Wi-Fi locates.Preferably, when GPS locator meams being switched to the combination of other locator meamss or locator meams, that calls when adopting method of the present invention to determine location gets position ready.
Particularly, such as, when GPS locates at 4 stars, intensity is when 40db, and precision is 5 meters; But when architecture, if base station signal strength is when-60db, its precision is at about 20 meters, and now locating device will select GPS to locate.
Then, the difference got ready between position got position ready and predict that computing module 250 is actual first after can calculating and switching locator meams.Alternatively, described difference for after the actual first absolute distance got ready between position got position ready and predict.
Then, get information calling module 270 ready when described difference is less than predetermined threshold value, actually first described in calling get position ready to position; Or when described difference is greater than predetermined threshold value, call described prediction get position ready to position.
According to embodiments of the invention, get information calling module 270 ready and can also comprise and get frequency adjustment module 290 ready, for adopt described prediction get ready position position time, improve and actual get frequency ready.Particularly, when adopt described prediction get ready position position time, that gets that frequency adjustment module 290 improves described reality ready gets frequency ready, and computing module 250 continues the difference got ready between position getting position and described prediction ready calculating described reality, until when the difference got ready between position and the described predicted position got ready of described reality is less than threshold value, gets information calling module 270 ready and position calling actual position of getting ready.
According to embodiment of the present invention, get ready frequency adjustment module 290 can be adopt described actual get ready and described prediction get ready between difference and the ratio of user moving speed as the frequency of the new dot method of reality.Or getting frequency adjustment module 290 ready can be that described frequency of getting ready is increased to 2 times, 3 times, 4 times or more doubly.
According to embodiments of the invention, when getting frequency ready and reduce by improving and actually get ready after position and prediction get the difference between position ready, when the difference got ready between position getting position and described prediction ready of described reality is less than threshold value, get ready information calling module 270 by call actual get position ready to position and get frequency adjustment module 290 ready the frequency of getting ready of reality is reduced to and original gets frequency ready.
According to embodiments of the invention, described threshold value can be 20 meters or following, such as, can be 15 meters, 10 meters or 5 meters.
In the system of the present invention, before locator meams switches and after switching, locating device can use gravity sensor to carry out auxiliary positioning.
In instructions provided herein, describe a large amount of detail.But can understand, embodiments of the invention can be put into practice when not having these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand in each inventive aspect one or more, in the description above to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes.But, the method for the disclosure should be construed to the following intention of reflection: namely the present invention for required protection requires feature more more than the feature clearly recorded in each claim.Or rather, as claims below reflect, all features of disclosed single embodiment before inventive aspect is to be less than.Therefore, the claims following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are appreciated that and adaptively can change the module in the device in embodiment and they are arranged in one or more devices different from this embodiment.Some block combiner in embodiment can be become a module or unit or assembly, and multiple submodule or subelement or sub-component can be put them in addition.Except at least some in such feature and/or process or module be mutually repel except, any combination can be adopted to combine all processes of all features disclosed in this instructions (comprising adjoint claim, summary and accompanying drawing) and so disclosed any method or equipment or unit.Unless expressly stated otherwise, each feature disclosed in this instructions (comprising adjoint claim, summary and accompanying drawing) can by providing identical, equivalent or similar object alternative features replaces.
In addition, those skilled in the art can understand, although embodiments more described herein to comprise in other embodiment some included feature instead of further feature, the combination of the feature of different embodiment means and to be within scope of the present invention and to form different embodiments.Such as, in detail in the claims, the one of any of embodiment required for protection can use with arbitrary array mode.
Each device embodiment of the present invention with hardware implementing, or can realize with the software module run on one or more processor, or realizes with their combination.It will be understood by those of skill in the art that the some or all functions that microprocessor or digital signal processor (DSP) can be used in practice to realize according to the some or all modules in the device of the embodiment of the present invention.The present invention can also be embodied as part or all the device program (such as, computer program and computer program) for performing method as described herein.Realizing program of the present invention and can store on a computer-readable medium like this, or the form of one or more signal can be had.Such signal can be downloaded from internet website and obtain, or provides on carrier signal, or provides with any other form.
The present invention will be described instead of limit the invention to it should be noted above-described embodiment, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word "a" or "an" before being positioned at element is not got rid of and be there is multiple such element.The present invention can by means of including the hardware of some different elements and realizing by means of the computing machine of suitably programming.In the unit claim listing some devices, several in these devices can be carry out imbody by same hardware branch.Word first, second and third-class use do not represent any order.Can be title by these word explanations.
Claims (10)
1. locating device improves the method for positioning precision, comprising: according to the prediction of one or many locating information next time get position ready, wherein said locating information comprises movement locus, speed and/or acceleration;
Switch locator meams;
Calculate the difference got ready between position got position ready and predict actual first after switching locator meams; With
When described difference is less than predetermined threshold value, position of getting ready actual first described in employing positions, and switches to actual dot method to get ready; When described difference is greater than predetermined threshold value, then the position adopting described prediction to get ready positions.
2. the method for claim 1, described method also comprises:
When adopt described prediction get ready position position time, improve the described actual frequency got ready, and continuation is monitored and is calculated the difference got ready between position getting position and described prediction ready of described reality, until when the difference got ready between position getting position and described prediction ready of described reality is less than threshold value, switches to and adopt the position of getting ready of described reality to position.
3. method as claimed in claim 2, wherein said raising is got frequency ready and is comprised:
The ratio getting difference between position and user moving speed ready getting position and described prediction ready of described reality is adopted to get frequency ready as described reality.
4. method as claimed in claim 2, the described actual frequency got ready of wherein said raising comprises and the frequency got ready of described reality is increased to 2 times, 3 times, 4 times or more doubly.
5. method as claimed in claim 2, also be included in after improving the described actual frequency got ready, when the difference got ready between position getting position and described prediction ready of described reality is less than threshold value, the position of getting ready adopting described reality is switched to position and the frequency of getting ready of described reality be reduced to and original get frequency ready.
6. improve a system for setting accuracy for locating device, described system comprises:
Get prediction module ready, for predicting the position got ready according to one or many locating information next time, wherein said locating information comprises movement locus, speed and/or acceleration;
Locator meams handover module, for switching locator meams;
Computing module, for after switching locator meams, calculates the difference got ready between position got position ready and predict actual first after switching locator meams; With
Get information calling module ready, for when described difference is less than predetermined threshold value, position of getting ready actual first described in calling positions, or when described difference is greater than predetermined threshold value, the position of getting ready of calling described prediction positions.
7. system as claimed in claim 6, wherein said dot method selects module to comprise:
Get frequency adjustment module ready, for adopt described prediction get ready position position time, improve and actual get frequency ready.
8. system as claimed in claim 7, wherein said get that frequency adjustment module adopts the ratio getting difference between position and user moving speed ready getting position and described prediction ready of described reality as described reality ready get frequency ready.
9. system as claimed in claim 7, the frequency got ready of described reality is increased to 2 times, 3 times, 4 times or more doubly by wherein said frequency adjustment module of getting ready.
10. system as claimed in claim 7, wherein described get ready frequency adjustment module improve described reality get frequency ready after, described get ready frequency adjustment module call when the difference got ready between position getting position and described prediction ready of described reality is less than threshold value described reality get position ready to position, and described in get frequency adjustment module ready the frequency of getting ready of described reality be reduced to and original get frequency ready.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510857689.4A CN105334527B (en) | 2015-11-30 | 2015-11-30 | Positioner switches the method and system of positioning method |
| PCT/CN2016/107671 WO2017092647A1 (en) | 2015-11-30 | 2016-11-29 | Positioning device positioning mode switching method and system |
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| CN201510857689.4A CN105334527B (en) | 2015-11-30 | 2015-11-30 | Positioner switches the method and system of positioning method |
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| CN105334527B CN105334527B (en) | 2018-04-03 |
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| WO2017092647A1 (en) * | 2015-11-30 | 2017-06-08 | 北京奇虎科技有限公司 | Positioning device positioning mode switching method and system |
| CN107390248A (en) * | 2017-07-18 | 2017-11-24 | 广州有电信息科技有限公司 | Distribution O＆M makes an inspection tour the processing method and system of track data |
| WO2020077738A1 (en) * | 2018-10-17 | 2020-04-23 | 华为技术有限公司 | Positioning method and apparatus |
| CN111565364A (en) * | 2020-04-03 | 2020-08-21 | 拉扎斯网络科技（上海）有限公司 | Method and device for acquiring positioning information, storage medium and terminal |
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| WO2017092647A1 (en) | 2017-06-08 |
| CN105334527B (en) | 2018-04-03 |
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