CN106028280B - A kind of localization method, device and children's wrist-watch - Google Patents

A kind of localization method, device and children's wrist-watch Download PDF

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Publication number
CN106028280B
CN106028280B CN201610306322.8A CN201610306322A CN106028280B CN 106028280 B CN106028280 B CN 106028280B CN 201610306322 A CN201610306322 A CN 201610306322A CN 106028280 B CN106028280 B CN 106028280B
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China
Prior art keywords
ready
information
base station
current location
gps
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CN201610306322.8A
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Chinese (zh)
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CN106028280A (en
Inventor
龚宇
孙浩
孟新彬
陈建义
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Beijing Qihoo Technology Co Ltd
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Beijing Qihoo Technology Co Ltd
Qizhi Software Beijing Co Ltd
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Priority to CN201610306322.8A priority Critical patent/CN106028280B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/06—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached measuring instruments, e.g. pedometer, barometer, thermometer or compass
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a kind of localization method, device and children's wrist-watches.The method comprise the steps that opening base station information obtains function and/or WiFi acquisition of information function；Judge whether to meet and gets condition ready；When satisfaction gets condition ready, it is determined whether to enable GPS functions；When be judged as be not turned on GPS function when, current location is determined according to the base station information and/or WiFi information that currently get, and execute and get operation ready；It is wherein, described that get operation ready include: that record and is reported to server at current location information.The technical solution reduces the power consumption of positioning while guaranteeing positioning accuracy, therefore can economize on resources, so that the application scenarios of the localization method are more extensive, is especially suitable for the smart machines stringent to power consumption requirements such as wearable device.

Description

A kind of localization method, device and children's wrist-watch
Technical field
The present invention relates to wearable device fields, and in particular to a kind of localization method, device and children's wrist-watch.
Background technique
Current many smart machines can determine the position of equipment if smart phone, navigator are provided with positioning function It sets.And the implementation of positioning function is also more various, such as by installing GPS (Global Positioning in a device System, global positioning system) module, by the signal acquisition location information for searching for GPS satellite；Installation is mobile logical in a device Believe module, obtains location information by accessing corresponding mobile communications network；WiFI module is installed in a device, passes through access WiFI network obtains location information, etc..But above-mentioned each implementation has disadvantage, by taking GPS positioning as an example, the function of GPS function Consumption is very big, therefore when smart machine is wearable device, is easy for continuation of the journey difficulty, the situation that can not be used for a long time occur.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind State the localization method, device and children's wrist-watch of problem.
According to one aspect of the present invention, a kind of localization method is provided, wherein in the normal mode, this method comprises:
It opens base station information and obtains function and/or WiFi acquisition of information function；
Judge whether to meet and gets condition ready；
When satisfaction gets condition ready, it is determined whether to enable GPS functions；
When be judged as be not turned on GPS function when, determined according to the base station information and/or WiFi information that currently get current Position, and execute and get operation ready；
It is wherein, described that get operation ready include: that record and is reported to server at current location information.
Optionally, the method also includes:
When being judged as that unlatching GPS function simultaneously obtains GPS information when opening GPS function, believed according to the base station currently got Breath and/or WiFi information and GPS information determine current location, and execute and get operation ready.
Optionally, described to judge whether that meeting condition of getting ready includes any one in following:
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be more than preset length value, be that determining satisfaction gets condition ready if being displaced between setting；
Judged whether that base station handover event occurs according to the base station information currently got, is that determining satisfaction gets item ready Part；
Displacement is less than preset value between position when current location and last time are got ready, and base station handover event does not occur yet When, judge whether the distance last time got ready reaches the first preset time value, is that determining satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be displaced between setting is more than preset length value；Judged whether that base station switching thing occurs according to the base station information currently got Part；Displacement is more than preset length value and base station switching occurs between position when if current location and last time are got ready Between, it is determined that satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be displaced between setting is more than preset length value；Judge whether the distance last time got ready reaches the first preset time value； If between current location and last position when getting ready displacement be more than preset length value and apart from the last time get ready when Between reach the first preset time value, it is determined that satisfaction get condition ready；
Judged whether that base station handover event occurs according to the base station information currently got；The judgement distance last time is got ready Whether the time reaches the first preset time value；Reach the in case of base station handover event and apart from time for getting ready last time One preset time value, it is determined that satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be displaced between setting is more than preset length value；Judged whether that base station switching thing occurs according to the base station information currently got Part；Judge whether the distance last time got ready reaches the first preset time value；If current location and last time are got ready Position between displacement be more than preset length value, and base station handover event has occurred, and reach apart from the time that the last time is got ready First preset time value, it is determined that satisfaction gets condition ready.
Optionally, this method further comprises:
Judge apart from the upper time once got ready reached the first preset time value when, by the preset time value multiplied by finger Determine after coefficient as the preset time value judged next time.
It is optionally, described that it is determined whether to enable GPS functions to include:
Judge displacement between current location and last position when getting ready whether in a certain range；
If so, whether record when being got ready according to the last time has GPS information when judging that the last time is got ready；
If there is GPS information, GPS function is opened, otherwise, is not turned on GPS function.
Optionally, this method further comprises:
If the displacement between position when current location and last time are got ready in a certain range, does not open GPS function.
Optionally, judge whether the displacement between position when current location and last time are got ready wraps in a certain range It includes:
Judge the coincidence of the base station and adjacent base station that connect when the base station currently connected and adjacent base station are got ready with the last time Whether rate reaches first threshold, if so, the displacement between position when determining current location and last time are got ready is in certain model In enclosing, otherwise determine displacement between current location and last position when getting ready not in a certain range；
Alternatively,
Judge Current Scan to each Wi-Fi hotspot and it is last get ready when the coincidence factor of each Wi-Fi hotspot that scans be It is no to reach second threshold, if so, determine displacement between current location and last position when getting ready in a certain range, Otherwise determine displacement between current location and last position when getting ready not in a certain range.
Optionally, under real-time mode, this method further comprises:
It opens base station information and obtains function and/or WiFi acquisition of information function, and open GPS function and open pedestrian's boat Mark calculates PDR function；
According to current base station information and/or WiFi information, current GPS information and current PDR information, present bit is determined It sets, and executes and get operation ready；
GPS function is closed, position, base station information and/or WiFi information and PDR when getting operation ready were executed based on last time Information determines current location, and executes and get operation ready；
Wherein, it under real-time mode, is executed every the second preset time value and once gets operation ready.
Optionally, this method further include:
GPS function is opened every a predetermined amount of time, according to Current base station information and/or WiFi information, current GPS information With current PDR information, current location is determined, and execute and get operation ready, and close GPS function.
Optionally, the current base station information of the basis and/or WiFi information, current GPS information and current PDR information, Determine that current location includes:
Current location is primarily determined according to current base station information and/or WiFi information；
According to current GPS information and the current location primarily determined, accurate current location is obtained；
The accurate current location is calibrated according to PDR information, obtains final current location.
Optionally, under power mode, this method further comprises:
It opens base station information and obtains function and/or WiFi acquisition of information function, and open GPS function and open pedestrian's boat Mark calculates PDR function；
According to current base station information and/or WiFi information, current GPS information and current PDR information, determine current Position, and execute and get operation ready；
Wherein, it under power mode, is executed every third preset time value and once gets operation ready；Third preset time value is small In the second preset time value.
Optionally, the general mode, real-time mode and power mode are selected according to equipment currently executed function It selects.
Optionally, this method is applied in children's wrist-watch.
Another aspect according to the present invention provides a kind of positioning device, comprising:
Base station information acquiring unit is suitable for obtaining base station information；
WiFi information acquisition unit is suitable for obtaining WiFi information；
GPS unit is suitable for obtaining GPS information；
It gets control unit ready, is suitable for opening base station information acquiring unit and/or WiFi acquisition of information list in the normal mode Member；Judge whether to meet and gets condition ready；When satisfaction gets condition ready, it is determined whether to enable GPS units；It is not turned on when being judged as When GPS unit, current location is determined according to the base station information and/or WiFi information that currently get, and execute and get operation ready；
It is wherein, described that get operation ready include: that record and is reported to server at current location information.
Optionally, described to get control unit ready, suitable for opening GPS unit and simultaneously obtaining when being judged as unlatching GPS unit GPS information determines current location according to the base station information and/or WiFi information and GPS information that currently get, and executes Get operation ready.
Optionally, the control unit of getting ready judges whether that meeting condition of getting ready includes any one in following:
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be more than preset length value, be that determining satisfaction gets condition ready if being displaced between setting；
Judged whether that base station handover event occurs according to the base station information currently got, is that determining satisfaction gets item ready Part；
Displacement is less than preset value between position when current location and last time are got ready, and base station handover event does not occur yet When, judge whether the distance last time got ready reaches the first preset time value, is that determining satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be displaced between setting is more than preset length value；Judged whether that base station switching thing occurs according to the base station information currently got Part；Displacement is more than preset length value and base station switching occurs between position when if current location and last time are got ready Between, it is determined that satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be displaced between setting is more than preset length value；Judge whether the distance last time got ready reaches the first preset time value； If between current location and last position when getting ready displacement be more than preset length value and apart from the last time get ready when Between reach the first preset time value, it is determined that satisfaction get condition ready；
Judged whether that base station handover event occurs according to the base station information currently got；The judgement distance last time is got ready Whether the time reaches the first preset time value；Reach the in case of base station handover event and apart from time for getting ready last time One preset time value, it is determined that satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, position when current location and last time are got ready is judged Whether be displaced between setting is more than preset length value；Judged whether that base station switching thing occurs according to the base station information currently got Part；Judge whether the distance last time got ready reaches the first preset time value；If current location and last time are got ready Position between displacement be more than preset length value, and base station handover event has occurred, and reach apart from the time that the last time is got ready First preset time value, it is determined that satisfaction gets condition ready.
Optionally, described to get control unit ready, suitable for judging that reaching first apart from the upper time once got ready presets When time value, by the preset time value multiplied by after prescribed coefficient as the preset time value judged next time.
Optionally, described to get control unit ready, the position between position when suitable for judging that current location and last time are got ready Whether in a certain range to move；If so, whether record when being got ready according to the last time has GPS letter when judging that the last time is got ready Breath；If there is GPS information, GPS unit is opened, otherwise, is not turned on GPS unit.
Optionally, described to get control unit ready, suitable for current location and it is upper once get ready when position between displacement When not in a certain range, then GPS unit is opened.
Optionally, described to get control unit ready, it is got ready suitable for the base station for judging currently to connect and adjacent base station with the last time When the coincidence factor of base station and adjacent base station that connects whether reach first threshold, if so, determining current location and last beating The displacement between position when point in a certain range, otherwise determines the position between position when current location and last time are got ready It moves not in a certain range；Alternatively, be suitable for judge Current Scan to each Wi-Fi hotspot with last get ready when scan it is each Whether the coincidence factor of Wi-Fi hotspot reaches second threshold, if so, determining between position when current location and last time are got ready Displacement in a certain range, otherwise determine the displacement between current location and last position when getting ready not in a certain range It is interior.
Optionally, which further comprises:
Pedestrian's reckoning PDR unit is suitable for obtaining PDR information；
It is described to get control unit ready, it is further adapted under real-time mode, opens base station information acquiring unit and/or WiFi Information acquisition unit, and open GPS unit and open PDR unit；According to current base station information and/or WiFi information, when Preceding GPS information and current PDR information determine current location, and execute and get operation ready；GPS unit is closed, was executed and is beaten based on last time Position, base station information and/or WiFi information and PDR information when point operation determine current location, and execute and get operation ready；
Wherein, it under real-time mode, is executed every the second preset time value and once gets operation ready.
Optionally, described to get control unit ready, it is further adapted under real-time mode, is opened every a predetermined amount of time GPS unit determines current location according to Current base station information and/or WiFi information, current GPS information and current PDR information, And it executes and gets operation ready, and close GPS unit.
Optionally, described to get control unit ready, it is further adapted for preliminary according to current base station information and/or WiFi information Determine current location；According to current GPS information and the current location primarily determined, accurate current location is obtained；According to PDR information calibrates the accurate current location, obtains final current location.
Optionally, described to get control unit ready, it is further adapted under power mode, opens base station information acquiring unit And/or WiFi information acquisition unit, and open GPS unit and open PDR unit；According to current base station information and/or WiFi information, current GPS information and current PDR information determine current location, and execute and get operation ready；
Wherein, it under power mode, is executed every third preset time value and once gets operation ready；Third preset time value is small In the second preset time value.
Optionally, the general mode, real-time mode and power mode are worked as according to smart machine where described device The function of preceding execution selects.
Another aspect according to the present invention provides a kind of children's wrist-watch, including positioning as described in any one of the above embodiments dress It sets.
It can be seen from the above, technical solution of the present invention, is selected in multiple positioning modes, record can be effectively ensured Current location information is simultaneously reported to server, that is, gets the precision of operation ready.Specifically, the lower base station information of power consumption is first opened to obtain Function and/or WiFi acquisition of information function are taken, judges whether to meet and gets condition ready, get condition ready if met, further sentence It is disconnected whether to open GPS function, if it is determined that being not turned on GPS function, then according to the base station information and/or WiFi currently got Information determines current location, and executes and get operation ready.The technical solution reduces the function of positioning while guaranteeing positioning accuracy Consumption, therefore can economize on resources, so that the application scenarios of the localization method are more extensive, it is especially suitable for wearable device etc. to function Consumption requires stringent smart machine.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of flow diagram of localization method according to an embodiment of the invention；
Fig. 2 shows a kind of structural schematic diagrams of positioning device according to an embodiment of the invention；
Fig. 3 shows a kind of structural schematic diagram of children's wrist-watch according to an embodiment of the invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure It is fully disclosed to those skilled in the art.
Fig. 1 shows a kind of flow diagram of localization method according to an embodiment of the invention, as shown in Figure 1, Under general mode, this method comprises:
Step S110 opens base station information and obtains function and/or WiFi acquisition of information function.Specifically, base station is being opened In the case where acquisition of information function, a base station information to multiple base stations can be obtained according to the mobile communications network of access； In the case where opening WiFi acquisition of information function, the information of neighbouring hotspot can be obtained.
Step S120 judges whether to meet and gets condition ready.
Step S130, when satisfaction gets condition ready, it is determined whether to enable GPS functions.
Step S140, when be judged as be not turned on GPS function when, believed according to the base station information and/or WiFi that currently get It ceases and determines current location, and execute and get operation ready.
Illustrate and determine current location, the i.e. method of base station location according to the base station information currently got: measurement is not With the down-bound pilot frequency signal of base station, obtain different base station descending pilot frequency TOA (Time of Arrival, arrival time) or TDOA (Time Difference of Arrival, reaching time-difference), according to the measurement result and the coordinate of combination base station, example Such as use triangle formula algorithm for estimating, it will be able to determine current location.
It illustrates and current location, the i.e. method of WiFi positioning, this method is determined according to the WiFi information currently got Precondition are as follows: each hotspot has a globally unique MAC Address, and in general hotspot one It will not be moved in the section time；Moreover, the equipment with WiFi function in the case where opening WiFi, can scan and collect surrounding Hotspot signal, no matter whether network corresponding to the signal encrypt, have connected or even signal strength is not enough to show Show in wireless signal list, the MAC Address that hot spot is broadcast out can be got；Therefore the position of these hotspot is counted Confidence breath, so that it may the database comprising wireless hotspot location information is obtained, for example, the database purchase can be taken in position It is engaged in device.When needing to carry out WiFi positioning, WiFi information is obtained, these WiFi information that can indicate hotspot are sent To location server, location server retrieves the location information of each hotspot accordingly, further combined with each signal Degree of strength, can determine current location.
Operation of getting ready in above-mentioned steps includes: record current location information and is reported to server.
As it can be seen that method shown in FIG. 1, is selected in multiple positioning modes, record current location can be effectively ensured Information is simultaneously reported to server, that is, gets the precision of operation ready.Specifically, it first opens the lower base station information of power consumption and obtains function And/or WiFi acquisition of information function, judge whether to meet and get condition ready, gets condition ready if met, further determine whether GPS function is opened, if it is determined that be not turned on GPS function, then it is true according to the base station information and/or WiFi information that currently get Settled front position, and execute and get operation ready.The technical solution reduces the power consumption of positioning while guaranteeing positioning accuracy, therefore It can economize on resources, so that the application scenarios of the localization method are more extensive, be especially suitable for wearable device etc. to power consumption requirements Stringent smart machine.
In one embodiment of the invention, method shown in FIG. 1 further include: when being judged as unlatching GPS function, open GPS function simultaneously obtains GPS information, is worked as according to base station information and/or WiFi information and the GPS information determination currently got Front position, and execute and get operation ready.
In the present embodiment, it joined GPS positioning function, allow the benign combination of multiple positioning modes, provide more preferably Positioning result.Rapidly, precision is also higher compared with WiFi positioning and base station location, the people for GPS positioning small, positioning affected by environment It also can achieve 3 meters with GPS positioning, military GPS positioning even can achieve 0.3 meter.Therefore can be believed according to the GPS got Breath is corrected acquired base station information and/or WiFi information, obtains more accurate location information.
In one embodiment of the invention, in method shown in FIG. 1, the condition of getting ready includes any one in following:
A. according to the base station information and/or WiFi information currently got, judge when current location and last time are got ready Whether be more than preset length value, be that determining satisfaction gets condition ready if being displaced between position.
That is, carrying out new get ready again after displacement reaches preset value.It, should when speed is higher such as under driving scene Preset length value can be set larger, and frequent progress is avoided to get operation, waste of resource ready.It is relatively low, under pedestrian scenarios, that is, move Preset length value can be set smaller when dynamic speed is lower.
B. judged whether that base station handover event occurs according to the base station information currently got, be that determining satisfaction gets item ready Part.
According to above it will be appreciated that, the precision of base station location be it is relevant to the base station information got, acquisition base station believe When ceasing more, it is also more accurate to position.And when base station switches, parameter used in calculating is also changed, therefore It carries out getting operation ready when base station switches being critically important.
C. displacement is less than preset value between position when current location and last time are got ready, and base station switching thing does not occur yet When part, judge whether the distance last time got ready reaches the first preset time value, is that determining satisfaction gets condition ready.
In this case, the object often positioned there is no displacement or scope of activities very little (such as in classroom, do In public room or family), more new location information can be carried out at a certain time interval at this time, carry out getting operation ready.Wherein, judging It is when the distance last time got ready reaches the first preset time value, the preset time value is next multiplied by being used as after prescribed coefficient The preset time value of secondary judgement.Such as when working day, the user of wearable device bends over one's desk working in office, and displacement does not change Become and base station does not switch.Carry out getting operation ready after the first preset time 4 minutes at this time, due to update location information not Change, continually update only expend electricity, therefore can carry out after 8 minutes next time get operation ready, with this Analogize and carry out getting operation ready after 8 minutes, 16 minutes, prescribed coefficient is 2 in this example.
D. according to the base station information and/or WiFi information currently got, judge when current location and last time are got ready Whether be displaced between position is more than preset length value；Judged whether that base station switching thing occurs according to the base station information currently got Part；Displacement is more than preset length value and base station switching occurs between position when if current location and last time are got ready Between, it is determined that satisfaction gets condition ready.
E. according to the base station information and/or WiFi information currently got, judge when current location and last time are got ready Whether be displaced between position is more than preset length value；Judge whether the distance last time got ready reaches the first preset time Value；If displacement is more than preset length value and gets ready apart from the last time between position when current location and last time are got ready Time reaches the first preset time value, it is determined that satisfaction gets condition ready.
F. judged whether that base station handover event occurs according to the base station information currently got；Judge to get ready apart from the last time Time whether reach the first preset time value；Reach in case of base station handover event and apart from the time that the last time is got ready First preset time value, it is determined that satisfaction gets condition ready.
G. according to the base station information and/or WiFi information currently got, judge when current location and last time are got ready Whether be displaced between position is more than preset length value；Judged whether that base station switching thing occurs according to the base station information currently got Part；Judge whether the distance last time got ready reaches the first preset time value；If current location and last time are got ready Position between displacement be more than preset length value, and base station handover event has occurred, and reach apart from the time that the last time is got ready First preset time value, it is determined that satisfaction gets condition ready.
Condition d, e, f, g are the permutation and combination to condition a, b, c.In actual scene, it can select according to demand more suitable That closes gets condition ready.
It in one embodiment of the invention, include: that judgement is worked as it is determined whether to enable GPS function in method shown in FIG. 1 In a certain range whether the displacement between position when front position and last time are got ready；If so, when being got ready according to the last time Record judge whether there is GPS information when the last time is got ready；If there is GPS information, GPS function is opened, otherwise, is not turned on GPS Function.
Power consumption will increase using the higher GPS positioning of precision, it is therefore desirable to set up reasonable implementation condition for it.It considers Mainly base station location and/or WiFi positioning are corrected using GPS positioning, and opens the function and first has to search GPS Satellite, starting is slower, therefore first determines whether current location is directly displaced with the position that the last time is got ready excessive.
In a preferred embodiment, judgment method are as follows: the base station and adjacent base station that judgement currently connects are got ready with the last time When the coincidence factor of base station and adjacent base station that connects whether reach first threshold, if so, determining current location and last beating The displacement between position when point in a certain range, otherwise determines the position between position when current location and last time are got ready It moves not in a certain range；Alternatively, judge Current Scan to each Wi-Fi hotspot and it is last get ready when each WiFi for scanning Whether the coincidence factor of hot spot reaches second threshold, if so, determining the position between position when current location and last time are got ready It moves in a certain range, otherwise determines displacement between current location and last position when getting ready not in a certain range.
By taking base station location as an example, if the base station currently connected in the base station information got and adjacent base station and upper one The secondary coincidence factor for getting the base station and adjacent base station that connect in the base station information got ready reaches 30%, then determines displacement certain In range.By taking WiFi is positioned as an example, if Current Scan to each Wi-Fi hotspot and it is last get ready when each WiFi for scanning The coincidence factor of hot spot has reached 50%, then determines displacement in a certain range.
If it is determined that displacement then further judges whether there is GPS information when the last time is got ready, if not having without departing from range GPS information, may explanation it is upper once get ready when can not get GPS information (such as searching less than satellite-signal), open at this time GPS function may also be obtained less than GPS information, only can waste of resource.Therefore in this case, only it is upper once get ready when GPS function is just opened when having GPS information.
If it is determined that displacement without departing from range, i.e., the displacement between position when current location and last time are got ready does not exist In a certain range, then GPS function is opened.In other words, when larger change has occurred in the position of the object of positioning, it is necessary to more Its location information is accurately determined, therefore base station location and/or WiFi positioning are carried out using precision higher GPS positioning mode Calibration.
In some scenarios, user wishes to position in real time, obtains the location information of positioning object, such as wallet is prevented Device is lost, after wallet loss, user may prefer to the location information for positioning wallet in real time, therefore in an implementation of the invention The real-time mode of positioning is provided in example, in this mode, method shown in FIG. 1 further comprises:
It opens base station information and obtains function and/or WiFi acquisition of information function, and open GPS function and open pedestrian's boat Mark calculates PDR function；According to current base station information and/or WiFi information, current GPS information and current PDR information, determination is worked as Front position, and execute and get operation ready；Close GPS function, based on last time execute position when getting operation ready, base station information and/or WiFi information and PDR information determine current location, and execute and get operation ready；Wherein, default every second under real-time mode Time value, which executes, once gets operation ready.
Under real-time mode, in order to more rapidly, accurately obtain location information, therefore the power consumption positioned also can be inevitably Increase, not only needs to open GPS function, also to open pedestrian's reckoning PDR function.PDR(Pedestrian Dead Reckoning, pedestrian's reckoning) step number, step-length, direction of pedestrian's walking can be measured and counted, calculate trip The information such as the run trace of people and position, specific effect can be stated below.In this mode, getting operation ready is every Two preset time values, which execute, not to be needed once to execute complicated decision logic, to can quickly obtain more yet Location information is simultaneously presented to the user.Location information can further be corrected by enabling PDR function, be because while GPS positioning Precision it is higher, but also have the shortcomings that certain: since GPS positioning needs to receive the signal of multi-satellite, and in high building, garage mouth Etc. in the place there are barrier, the satellite-signal that may search for is less and unstable, and signal is also possible to be reflected by barrier, Therefore accurate location information can not be obtained according to the satellite-signal received, finally obtained location information is deposited with physical location It is deviating.
Then in one embodiment of the invention, it is primarily determined currently according to current base station information and/or WiFi information Position；According to current GPS information and the current location primarily determined, accurate current location is obtained；According to PDR information pair Accurate current location is calibrated, and final current location is obtained.
Be illustrated below with reference to an example: pedestrian has carried out getting operation ready in certain position outside housing-group of writing, and is somebody's turn to do The location information of position, specifically according to obtain in the position Current base station information, current GPS information.By current location It is denoted as initial position.Pedestrian is after stepping into and writing housing-group, and interference due to high building to GPS satellite signal can not pass through current base Information of standing and current GPS information obtain the quasi- location information gone, therefore can open PDR function, obtain PDR information.PDR information Can be obtained by multiple sensors such as accelerometer, digital compass, three-axis gyroscopes, may include pedestrian's walking acceleration and Direction of travel obtains walking speed by the integral to walking acceleration, further according to the location information of initial position, calculates Accurate position out.For example, pedestrian's initial position is denoted as (0,0), after having walked 15 seconds, learnt according to the PDR information of acquisition Pedestrian walking speed is 2m/s, and direction is due north, then when carrying out getting operation ready after 15 seconds, is believed according to the position that PDR information obtains Breath is (0,30).But it only relies on PDR information and determines that the position of pedestrian is also inaccuracy；Since the PDR information got may There are errors may also be led even if error is very small (such as 0.1 degree of actual direction is deviateed in obtained walking direction) due to cumulative Final calculated position is caused to deviate with physical location larger.Therefore, in practical applications, first according to current base station information And/or WiFi information primarily determines current location, since the location information precision is lower, uses current GPS information knot The current location primarily determined is closed, accurate current location is obtained；Finally accurate current location is carried out according to PDR information Calibration, obtains final current location.
In the above method, need to carry out GPS function use appropriate with more preferably balanced positioning accuracy and power consumption, one In embodiment, GPS function is opened every a predetermined amount of time, is believed according to Current base station information and/or WiFi information, current GPS Breath and current PDR information determine current location, and execute and get operation ready, and close GPS function.It in this way can be to avoid long-term Open GPS function bring high power consumption problem.
In one embodiment of the invention, above-mentioned localization method includes power mode, under power mode, the above method Further comprise: opening base station information and obtain function and/or WiFi acquisition of information function, and opens GPS function and open row People's reckoning PDR function；According to current base station information and/or WiFi information, current GPS information and current PDR letter Breath determines current location, and executes and get operation ready；Wherein, it under power mode, is once beaten every the execution of third preset time value Point operation；Third preset time value is less than the second preset time value.For example, the second preset time is 15s, third preset time is 3s。
In other words, user more forwardly obtains location information in this mode, certainly, power consumption also highest, but user Power mode can be used when can also better grasp the situation of positioning object, such as find lost article and lost children.It changes Yan Zhi, in the above method, general mode, real-time mode and power mode are selected according to equipment currently executed function. Such as in one embodiment of the invention, the above method is applied in children's wrist-watch, and child is because active active, in parent The time of one rotary head may just be run out of far, such as go to study at home and disorderly turn over scratch, can enable the wrist-watch at this time Monitoring function, when the function is opened, parent can obtain the location information of child by power mode, even if to " regular little mischief " Air rage handled.The wrist-watch is likewise supplied with warning function, alarms behind the region that children enter setting.Example Such as, whether the hazardous areas such as railway station are in by the child that the WiFi name of the information judgement of acquisition is gone astray from the group, it can be by wireless The keyword match of hotspot name is realized, etc..Under the scene, the position that real-time mode checks children can be enabled, together When avoid because children's wrist-watch electric power deficiency leads to not to continue the drawbacks of obtaining location information.
Fig. 2 shows a kind of structural schematic diagrams of positioning device according to an embodiment of the invention, as shown in Fig. 2, fixed Position device 200 include:
Base station information acquiring unit 210 is suitable for obtaining base station information.
WiFi information acquisition unit 220 is suitable for obtaining WiFi information.
GPS unit 230 is suitable for obtaining GPS information.
It gets control unit 240 ready, is suitable for opening base station information acquiring unit 210 and/or WiFi information in the normal mode Acquiring unit 220；Judge whether to meet and gets condition ready；When satisfaction gets condition ready, it is determined whether to enable GPS units 230；When sentencing 230 when breaking to be not turned on GPS unit, current location is determined according to the base station information and/or WiFi information that currently get, and hold Row gets operation ready.Wherein, operation is got ready to include: record current location information and be reported to server.
As it can be seen that device shown in Fig. 2, is selected in multiple positioning modes, record current location can be effectively ensured Information is simultaneously reported to server, that is, gets the precision of operation ready.Specifically, it first opens the lower base station information of power consumption and obtains function And/or WiFi acquisition of information function, judge whether to meet and get condition ready, gets condition ready if met, further determine whether GPS function is opened, if it is determined that be not turned on GPS function, then it is true according to the base station information and/or WiFi information that currently get Settled front position, and execute and get operation ready.The technical solution reduces the power consumption of positioning while guaranteeing positioning accuracy, therefore It can economize on resources, so that the application scenarios of the localization method are more extensive, be especially suitable for wearable device etc. to power consumption requirements Stringent smart machine.
In one embodiment of the invention, in device shown in Fig. 2, control unit 240 is got ready, suitable for that ought be judged as When opening GPS unit 230, open GPS unit 230 and simultaneously obtain GPS information, according to the base station information currently got and/or WiFi information and GPS information determine current location, and execute and get operation ready.
In one embodiment of the invention, it in device shown in Fig. 2, gets control unit 240 ready and judges whether that satisfaction is beaten Point condition includes any one in following: according to the base station information and/or WiFi information currently got, judging current location Whether be more than preset length value, be that determining satisfaction gets condition ready if being displaced between position when being got ready with the last time；According to current The base station information got judges whether that base station handover event occurs, and is that determining satisfaction gets condition ready；Current location and upper one Displacement is less than preset value between secondary position when getting ready, when base station handover event not occurring yet, judges to get ready apart from the last time Time whether reach the first preset time value, be that determining satisfaction gets condition ready；According to the base station information that currently gets and/ Or WiFi information, judge whether be displaced between position when current location and last time are got ready is more than preset length value；According to working as Before the base station information that gets judge whether that base station handover event occurs；If current location and last position when getting ready it Between displacement be more than preset length value and base station switching time to occur, it is determined that satisfaction gets condition ready；According to what is currently got Base station information and/or WiFi information judge whether be displaced between position when current location and last time are got ready is more than default length Angle value；Judge whether the distance last time got ready reaches the first preset time value；If current location is got ready with the last time When position between displacement be more than preset length value and reach the first preset time value apart from time for getting ready last time, then really Fixed satisfaction gets condition ready；Judged whether that base station handover event occurs according to the base station information currently got；Judge apart from upper one Whether the secondary time got ready reaches the first preset time value；In case of base station handover event and apart from last time get ready when Between reach the first preset time value, it is determined that satisfaction get condition ready；According to base station information and/or the WiFi letter currently got Breath judges whether be displaced between position when current location and last time are got ready is more than preset length value；According to currently getting Base station information judge whether occur base station handover event；Judge the distance last time got ready whether reach first it is default when Between be worth；If displacement is more than preset length value between position when current location and last time are got ready, and base station switching has occurred Event, and reach the first preset time value apart from the time that the last time is got ready, it is determined that satisfaction gets condition ready.
In one embodiment of the invention, in above-mentioned apparatus, control unit 240 is got ready, suitable for judging apart from upper When the time once got ready reaches the first preset time value, by the preset time value multiplied by after prescribed coefficient as next time judging Preset time value.
In one embodiment of the invention, it in device shown in Fig. 2, gets control unit 240 ready, is suitable for judging present bit Whether in a certain range to set displacement between last position when getting ready；If so, note when being got ready according to the last time Record judges whether there is GPS information when the last time is got ready；If there is GPS information, GPS unit 230 is opened, otherwise, it is mono- to be not turned on GPS Member 230.
In one embodiment of the invention, in above-mentioned apparatus, get control unit 240 ready, be suitable for current location with it is upper Once the displacement between position when getting ready not in a certain range when, then open GPS unit 230.
In one embodiment of the invention, it in above-mentioned apparatus, gets control unit 240 ready, is currently connected suitable for judgement Whether the coincidence factor of base station and adjacent base station that base station and adjacent base station are connect when getting ready with the last time reaches first threshold, if It is, it is determined that otherwise the displacement between position when current location and last time are got ready determines current location in a certain range The displacement between position when getting ready the last time is not in a certain range；Alternatively, being suitable for judging each WiFi that Current Scan arrives Whether the coincidence factor for each Wi-Fi hotspot that hot spot and last time are scanned when getting ready reaches second threshold, if so, determining current Displacement between position and last position when getting ready in a certain range, when otherwise determining that current location and last time are got ready Position between displacement not in a certain range.
In one embodiment of the invention, device shown in Fig. 2 further comprises: pedestrian's reckoning PDR unit, fits In acquisition PDR information.Get control unit ready, be further adapted under real-time mode, open base station information acquiring unit and/or WiFi information acquisition unit, and open GPS unit and open PDR unit；Believed according to current base station information and/or WiFi Breath, current GPS information and current PDR information determine current location, and execute and get operation ready；GPS unit is closed, last time is based on It executes position, base station information and/or WiFi information and PDR information when getting operation ready and determines current location, and execute and get ready Operation；Wherein, it under real-time mode, is executed every the second preset time value and once gets operation ready.
In one embodiment of the invention, it in above-mentioned apparatus, gets control unit ready, is further adapted in real-time mode Under, GPS unit is opened every a predetermined amount of time, according to Current base station information and/or WiFi information, current GPS information and is worked as Preceding PDR information determines current location, and executes and get operation ready, and closes GPS unit.
In one embodiment of the invention, it in above-mentioned apparatus, gets control unit ready, is further adapted for according to current base Information of standing and/or WiFi information primarily determine current location；According to current GPS information and the current location primarily determined, Obtain accurate current location；Accurate current location is calibrated according to PDR information, obtains final current location.
In one embodiment of the invention, it in above-mentioned apparatus, gets control unit ready, is further adapted in power mode Under, base station information acquiring unit and/or WiFi information acquisition unit are opened, and open GPS unit and open PDR unit；Root According to current base station information and/or WiFi information, current GPS information and current PDR information, current location is determined, and hold Row gets operation ready；Wherein, it under power mode, is executed every third preset time value and once gets operation ready；Third preset time Value is less than the second preset time value.
In one embodiment of the invention, in above-mentioned apparatus, general mode, real-time mode and power mode are roots It is selected according to smart machine currently executed function where device.
It should be noted that the implementation of the specific embodiment of above-mentioned each Installation practice and aforementioned corresponding method embodiment Mode is identical, and details are not described herein.
Fig. 3 shows a kind of structural schematic diagram of children's wrist-watch according to an embodiment of the invention, as shown in figure 3, youngster Virgin wrist-watch 300 includes such as the positioning device 310 in above-mentioned any embodiment.
Preferably, children's wrist-watch can also include SIM unit, be adapted for insertion into SIM card；Alarm unit is suitable in urgent shape Alarm sound is issued under condition；Voice unit is adapted for conversing.
In conclusion technical solution of the present invention, is selected in multiple positioning modes, record can be effectively ensured and work as Front position information is simultaneously reported to server, that is, gets the precision of operation ready.Specifically, the lower base station information of power consumption is first opened to obtain Function and/or WiFi acquisition of information function judge whether to meet and get condition ready, get condition ready if met, further judge Whether GPS function is opened, if it is determined that being not turned on GPS function, then according to base station information and/or the WiFi letter currently got It ceases and determines current location, and execute and get operation ready.The technical solution reduces the power consumption of positioning while guaranteeing positioning accuracy, Therefore it can economize on resources, so that the application scenarios of the localization method are more extensive, be especially suitable for wearable device etc. to power consumption It is required that stringent smart machine, such as children's wrist-watch.
It should be understood that
Algorithm and display be not inherently related to any certain computer, virtual bench or other equipment provided herein. Various fexible units can also be used together with teachings based herein.As described above, it constructs required by this kind of device Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects, Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore, Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice Microprocessor or digital signal processor (DSP) are realized in positioning device according to an embodiment of the present invention and children's wrist-watch The some or all functions of some or all components.The present invention is also implemented as executing method as described herein Some or all device or device programs (for example, computer program and computer program product).Such reality Existing program of the invention can store on a computer-readable medium, or may be in the form of one or more signals. Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or in any other forms It provides.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims, Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame Claim.

Claims (24)

1. a kind of localization method, wherein in the normal mode, this method comprises:
It opens base station information and obtains function and/or WiFi acquisition of information function；
Judge whether to meet and gets condition ready；
When satisfaction gets condition ready, it is determined whether to enable GPS functions；
When be judged as be not turned on GPS function when, present bit is determined according to the base station information and/or WiFi information that currently get It sets, and executes and get operation ready；
It is wherein, described that get operation ready include: that record and is reported to server at current location information；
It is wherein, described that it is determined whether to enable GPS functions to include:
Judge displacement between current location and last position when getting ready whether in a certain range；
If so, whether record when being got ready according to the last time has GPS information when judging that the last time is got ready；
If there is GPS information, GPS function is opened, otherwise, is not turned on GPS function.
2. the method for claim 1, wherein the method also includes:
When being judged as unlatching GPS function, opens GPS function and simultaneously obtain GPS information, according to the base station information currently got And/or WiFi information and GPS information determine current location, and execute and get operation ready.
3. the method for claim 1, wherein described judge whether that it includes any one in following for meeting condition of getting ready :
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value, be that determining satisfaction gets condition ready；
Judged whether that base station handover event occurs according to the base station information currently got, is that determining satisfaction gets condition ready；
Displacement is less than preset value between position when current location and last time are got ready, when base station handover event not occurring yet, Judge whether the distance last time got ready reaches the first preset time value, is that determining satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value；Judged whether that base station handover event occurs according to the base station information currently got；Such as Displacement is more than preset length value and base station switching time occurs between position when fruit current location and last time are got ready, then really Fixed satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value；Judge whether the distance last time got ready reaches the first preset time value；If Displacement is more than preset length value and reaches apart from the time that the last time is got ready between position when current location and last time are got ready To the first preset time value, it is determined that satisfaction gets condition ready；
Judged whether that base station handover event occurs according to the base station information currently got；The judgement distance last time got ready Whether first preset time value is reached；It is pre- to reach first in case of base station handover event and apart from the time that the last time is got ready If time value, it is determined that satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value；Judged whether that base station handover event occurs according to the base station information currently got；Sentence Whether turn-off reaches the first preset time value from the time that the last time is got ready；Position when if current location and last time are got ready Between displacement be more than preset length value, and base station handover event has occurred, and it is pre- apart from the time that the last time is got ready to reach first If time value, it is determined that satisfaction gets condition ready.
4. method as claimed in claim 3, wherein this method further comprises:
Judge apart from the upper time once got ready reached the first preset time value when, by the preset time value multiplied by specified system As the preset time value judged next time after number.
5. the method for claim 1, wherein this method further comprises:
If the displacement between position when current location and last time are got ready in a certain range, does not open GPS function.
6. the method for claim 1, wherein judging the displacement between position when current location and last time are got ready is It is no to include: in a certain range
Judging the coincidence factor of the base station and adjacent base station that connect when the base station currently connected and adjacent base station are got ready with the last time is It is no to reach first threshold, if so, determine displacement between current location and last position when getting ready in a certain range, Otherwise determine displacement between current location and last position when getting ready not in a certain range；
Alternatively,
Judge Current Scan to each Wi-Fi hotspot and it is last get ready when the coincidence factor of each Wi-Fi hotspot that scans whether reach To second threshold, if so, determining displacement between current location and last position when getting ready in a certain range, otherwise Determine displacement between current location and last position when getting ready not in a certain range.
7. this method further comprises the method for claim 1, wherein under real-time mode:
It opens base station information and obtains function and/or WiFi acquisition of information function, and open GPS function and open pedestrian's track and push away Calculate PDR function；
According to current base station information and/or WiFi information, current GPS information and current PDR information, current location is determined, and Operation is got in execution ready；
GPS function is closed, position, base station information and/or the WiFi information and PDR information when getting operation ready were executed based on last time It determines current location, and executes and get operation ready；
Wherein, it under real-time mode, is executed every the second preset time value and once gets operation ready.
8. the method for claim 7, wherein under real-time mode, this method further include:
GPS function is opened every a predetermined amount of time, according to Current base station information and/or WiFi information, current GPS information and is worked as Preceding PDR information determines current location, and executes and get operation ready, and closes GPS function.
9. the method for claim 7, wherein the current base station information of the basis and/or WiFi information, current GPS Information and current PDR information, determine that current location includes:
Current location is primarily determined according to current base station information and/or WiFi information；
According to current GPS information and the current location primarily determined, accurate current location is obtained；
The accurate current location is calibrated according to PDR information, obtains final current location.
10. the method for claim 7, wherein under power mode, this method further comprises:
It opens base station information and obtains function and/or WiFi acquisition of information function, and open GPS function and open pedestrian's track and push away Calculate PDR function；
According to current base station information and/or WiFi information, current GPS information and current PDR information, present bit is determined It sets, and executes and get operation ready；
Wherein, it under power mode, is executed every third preset time value and once gets operation ready；Third preset time value is less than Two preset time values.
11. method as claimed in claim 9, wherein the general mode, real-time mode and power mode are that basis is set Standby currently executed function selects.
12. such as method of any of claims 1-11, wherein this method is applied in children's wrist-watch.
13. a kind of positioning device, wherein the device includes:
Base station information acquiring unit is suitable for obtaining base station information；
WiFi information acquisition unit is suitable for obtaining WiFi information；
GPS unit is suitable for obtaining GPS information；
It gets control unit ready, is suitable for opening base station information acquiring unit and/or WiFi information acquisition unit in the normal mode；Sentence It is disconnected whether to meet the condition of getting ready；When satisfaction gets condition ready, it is determined whether to enable GPS units；GPS unit is not turned on when being judged as When, current location is determined according to the base station information and/or WiFi information that currently get, and execute and get operation ready；
It is wherein, described that get operation ready include: that record and is reported to server at current location information；
Described to get control unit ready, whether the displacement between position when suitable for judging that current location and last time are got ready is certain In range；If so, whether record when being got ready according to the last time has GPS information when judging that the last time is got ready；If there is GPS letter Breath, then open GPS unit, otherwise, be not turned on GPS unit.
14. device as claimed in claim 13, wherein
It is described to get control unit ready, suitable for opening GPS unit and simultaneously obtaining GPS information, root when being judged as unlatching GPS unit Current location is determined according to the base station information and/or WiFi information and GPS information that currently get, and is executed and got operation ready.
15. device as claimed in claim 13, wherein
The control unit of getting ready judges whether that meeting condition of getting ready includes any one in following:
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value, be that determining satisfaction gets condition ready；
Judged whether that base station handover event occurs according to the base station information currently got, is that determining satisfaction gets condition ready；
Displacement is less than preset value between position when current location and last time are got ready, when base station handover event not occurring yet, Judge whether the distance last time got ready reaches the first preset time value, is that determining satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value；Judged whether that base station handover event occurs according to the base station information currently got；Such as Displacement is more than preset length value and base station switching time occurs between position when fruit current location and last time are got ready, then really Fixed satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value；Judge whether the distance last time got ready reaches the first preset time value；If Displacement is more than preset length value and reaches apart from the time that the last time is got ready between position when current location and last time are got ready To the first preset time value, it is determined that satisfaction gets condition ready；
Judged whether that base station handover event occurs according to the base station information currently got；The judgement distance last time got ready Whether first preset time value is reached；It is pre- to reach first in case of base station handover event and apart from the time that the last time is got ready If time value, it is determined that satisfaction gets condition ready；
According to the base station information and/or WiFi information currently got, judge current location and last position when getting ready it Between be displaced whether be more than preset length value；Judged whether that base station handover event occurs according to the base station information currently got；Sentence Whether turn-off reaches the first preset time value from the time that the last time is got ready；Position when if current location and last time are got ready Between displacement be more than preset length value, and base station handover event has occurred, and it is pre- apart from the time that the last time is got ready to reach first If time value, it is determined that satisfaction gets condition ready.
16. device as claimed in claim 15, wherein
It is described to get control unit ready, suitable for judge apart from the upper time once got ready reached the first preset time value when, will The preset time value multiplied by after prescribed coefficient as the preset time value judged next time.
17. device as claimed in claim 13, wherein
It is described to get control unit ready, suitable for current location and it is upper once get ready when position between displacement not in a certain range When interior, then GPS unit is opened.
18. device as claimed in claim 13, wherein
The base station that is described to get control unit ready, being connect when being got ready suitable for the base station for judging currently to connect and adjacent base station with the last time Whether reach first threshold with the coincidence factor of adjacent base station, if so, determine current location and last position when getting ready it Between displacement in a certain range, otherwise determine the displacement between current location and last position when getting ready not in certain model In enclosing；Alternatively, be suitable for judge Current Scan to each Wi-Fi hotspot got ready with the last time when weight of each Wi-Fi hotspot that scans Whether conjunction rate reaches second threshold, if so, the displacement between position when determining current location and last time are got ready is certain In range, otherwise determine displacement between current location and last position when getting ready not in a certain range.
19. device as claimed in claim 13, wherein the device further comprises:
Pedestrian's reckoning PDR unit is suitable for obtaining PDR information；
It is described to get control unit ready, it is further adapted under real-time mode, opens base station information acquiring unit and/or WiFi information Acquiring unit, and open GPS unit and open PDR unit；According to current base station information and/or WiFi information, current GPS Information and current PDR information determine current location, and execute and get operation ready；GPS unit is closed, was executed based on last time and gets behaviour ready Position, base station information and/or WiFi information and PDR information when making determine current location, and execute and get operation ready；
Wherein, it under real-time mode, is executed every the second preset time value and once gets operation ready.
20. device as claimed in claim 19, wherein
It is described to get control unit ready, it is further adapted under real-time mode, opens GPS unit every a predetermined amount of time, according to Current base station information and/or WiFi information, current GPS information and current PDR information determine current location, and execute and get behaviour ready Make, and closes GPS unit.
21. device as claimed in claim 19, wherein
It is described to get control unit ready, it is further adapted for primarily determining present bit according to current base station information and/or WiFi information It sets；According to current GPS information and the current location primarily determined, accurate current location is obtained；According to PDR information to institute It states accurate current location to be calibrated, obtains final current location.
22. device as claimed in claim 19, wherein
It is described to get control unit ready, it is further adapted under power mode, opens base station information acquiring unit and/or WiFi information Acquiring unit, and open GPS unit and open PDR unit；According to current base station information and/or WiFi information, current GPS information and current PDR information determine current location, and execute and get operation ready；
Wherein, it under power mode, is executed every third preset time value and once gets operation ready；Third preset time value is less than Two preset time values.
23. device as claimed in claim 22, wherein the general mode, real-time mode and power mode are according to institute Device place smart machine currently executed function is stated to select.
24. a kind of children's wrist-watch, wherein children's wrist-watch includes the positioning device as described in any one of claim 13-23.
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