CN108366341A - A kind of localization method and device for supporting the seamless switching between indoor and outdoor positioning - Google Patents
A kind of localization method and device for supporting the seamless switching between indoor and outdoor positioning Download PDFInfo
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- CN108366341A CN108366341A CN201810199692.5A CN201810199692A CN108366341A CN 108366341 A CN108366341 A CN 108366341A CN 201810199692 A CN201810199692 A CN 201810199692A CN 108366341 A CN108366341 A CN 108366341A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
- H04W4/022—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences with dynamic range variability
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a kind of localization methods and device for supporting the seamless switching between indoor and outdoor positioning.Disclosed method includes：Step 1：Positioning device selects a kind of as selected positioning method from indoor positioning mode and outdoor positioning mode and provides the current location information of positioning device；Step 2：Positioning device determines that itself is among to be switched region based on the electronic map information near current location information and current location；Step 3：Positioning device executes the switch decision for whether needing to switch between indoor positioning method and outdoor positioning mode；Step 4：Positioning device switches according to the court verdict of switch decision selectes positioning method, wherein to be switched region is the near the periphery of region of building.Disclosed method can reduce the power consumption for the positioning device for supporting indoor and outdoor positioning, increase the standby usage time of battery.
Description
Technical field
The present invention relates to Geographic mapping field more particularly to it is a kind of support indoor and outdoor to position between seamless switching
Localization method and device.
Background technology
In current daily life, people are frequently necessary to be obtained current geography by means of entrained positioning device
Location information, to further obtain road guide service, the week that navigation device is provided based on current geographical location information
Side information inquiry service etc..
However, it is traditional based on satellite (for example, in the systems such as GPS, big-dipper satellite alignment system
Satellite) satellite positioning device of signal is initially mainly designed for outdoor positioning, since satellite-signal will produce across building
Larger decline, so the effect that these traditional satellite positioning devices are positioned indoors is bad.
Therefore, people devise many different indoor positioning technologies again, to make up traditional satellite positioning device in room
Deficiency when interior positioning, such as bluetooth, WiFi, LED light, UWB, the device or method based on these indoor positioning technologies can
Solve the orientation problem under pure indoor environment.
Since satellite positioning tech can realize more accurate outdoor positioning, and indoor positioning technologies can be realized preferably
Indoor positioning, therefore, in conjunction with indoor positioning technologies and satellite positioning tech can realize indoor and outdoor integration position totality
Scheme.However, as a result of indoor positioning and the two different location technologies of outdoor positioning, so also needing to consider room at this time
Seamless switching between inside and outside positioning, thereby using family perception less than the handoff procedure between indoor and outdoor positioning.
Indoor and outdoor switch decision strategy used by the prior art includes mainly following several：
1. satellite positioning first priority strategy：As long as the satellite-signal received can be utilized to calculate location information, nothing
By indoor positioning signal can be received, outdoor positioning result is all taken.Disadvantage：When user is in indoor environment, but close
Window either at the position that satellite-signal can penetrate, although the positioning accuracy of satellite positioning in this case is poor, and
Indoor position accuracy is more preferable, but still preferentially accepts and believe satellite positioning information.
2. indoor positioning first priority strategy：As long as location information can be calculated using indoor positioning signal, always
Using indoor positioning signal framing until indoor signal disappears (for example, until indoor positioning is no in nearest 5 seconds to report position
Until confidence ceases).Disadvantage：Since the coverage area of indoor signal is usually 8-10 meters, there are indoor and outdoor positioning overlapping region,
In the case where user is from indoor moving to outdoor, when mobile terminal can also receive indoor positioning signal, the position of feedback
Information is the location information of " finger-print region " selected in the alternate information of electronic map indoors, if outdoor area is " non-
Finger-print region " is then very easy to generate error, and effect is very undesirable.
3. satellite positioning is preferentially until satellite-signal disappears and indoor positioning is preferentially until indoor positioning blackout strategy：
For example, satellite receiver does not report any location information in nearest 5 seconds, then indoor positioning is switched to；Next, example
Such as, indoor positioning does not report any location information within nearest 5 seconds, then switches to satellite positioning.Disadvantage：Similar to above
In the case where user is from indoor moving to outdoor location of mistake can also occur for the 2nd kind of indoor positioning first priority strategy.And
And also add 5 seconds switching delays.
It is main that the above-mentioned indoor and outdoor switchover policy used by the prior art can be seen that current indoor and outdoor switching method
The problem of what is solved is how to switch over judgement, and the premise for switching over judgement is believed satellite-signal and indoor positioning
Number carry out reception and measurement.The prior art usually require indoor external position device continuously detect satellite (positioning) signal and
Indoor (positioning) signal is (for example, even if when being based only on satellite-signal progress outdoor positioning, in order to guarantee when needed
It is switched to indoor positioning state in time, is usually also required to constantly detect whether that there are indoor positioning signals), this method needs
The power of additional consumption positioning device, to reduce the standby usage time of battery.
Therefore, least for the power consumption for the positioning device for reducing support indoor and outdoor positioning, when increasing the standby use of battery
Between, it needs to propose new technical solution.
Invention content
A kind of localization method for supporting the seamless switching between indoor and outdoor positioning according to the present invention, including：
Step 1：Positioning device selects a kind of as selected positioning method from indoor positioning mode and outdoor positioning mode
To provide the current location information of positioning device；
Step 2：Positioning device is determined based on the electronic map information near current location information and current location and is in certainly
Among to be switched region；
Step 3：Whether positioning device executes needs to switch between indoor positioning method and outdoor positioning mode
Switch decision；
Step 4：Positioning device switches according to the court verdict of switch decision selectes positioning method,
Wherein, to be switched region is the near the periphery of region of building.
Localization method according to the present invention further includes between its step 2 and step 3：
Step 2 '：The absolute value of the increment size for the ambient light illumination that positioning device confirmly detects is more than first threshold.
Localization method according to the present invention, step 3 execute switch decision using following switch decision strategy：
When positioning device determines that selecting positioning method is indoor positioning mode and determines and detected come from least four
When the signal-to-noise ratio of the outdoor positioning signal of satellite is more than second threshold, alternatively,
When positioning device determines that selecting positioning method is outdoor positioning mode and determines and detected come from indoor room
When the signal power of interior positioning signal is more than third threshold value, the court verdict switched over is made.
Localization method according to the present invention, to be switched region are the area within the scope of the distance to a declared goal of building circumference both sides
Domain, distance to a declared goal are 1 meter to 5 meters.
Localization method according to the present invention, indoor positioning mode are selected from least one of following：Bluetooth, WiFi, LED
Lamp, UWB；Outdoor positioning mode is selected from least one of following：Global positioning satellite, big-dipper satellite positioning, Galilean satellite
Positioning.
Localization method according to the present invention, first threshold are 1000 luxs, and second threshold is 30 decibels, third
Threshold value is the half of the transmission power from indoor indoor positioning signal.
A kind of positioning device for supporting the seamless switching between indoor and outdoor positioning according to the present invention, device include：
Positioning method selecting module selects a kind of work for positioning device from indoor positioning mode and outdoor positioning mode
The current location information of positioning device is provided for selected positioning method；
To be switched area determination module, for positioning device based near current location information and current location electronically
Figure information determines that itself is among to be switched region；
Switch decision execution module, for when positioning device determines that itself is among to be switched region, whether execution
Need the switch decision switched between indoor positioning method and outdoor positioning mode；
Positioning method handover module switches according to the court verdict of switch decision for positioning device and selectes positioning method,
Wherein, to be switched region is the near the periphery of region of building.
Positioning device according to the present invention, positioning device further include with lower module：
Ambient light illumination increment size detection module, the increment size for detecting ambient light illumination；
The absolute value of first threshold comparison module, the increment size of the ambient light illumination confirmly detected for positioning device is big
In first threshold；
Wherein, switch decision execution module is additionally operable to, among positioning device determines that itself is in be switched region and fixed
When the absolute value of the increment size for the ambient light illumination that position device confirmly detects is more than first threshold, switch decision is executed.
Positioning device according to the present invention, switch decision execution module are sentenced using following mode decision scheme to execute switching
Certainly：
When positioning device determines that selecting positioning method is indoor positioning mode and determines and detected come from least four
When the signal-to-noise ratio of the outdoor positioning signal of satellite is more than second threshold, alternatively,
When positioning device determines that selecting positioning method is outdoor positioning mode and determines and detected come from indoor room
When the signal power of interior positioning signal is more than third threshold value, the court verdict switched over is made.
Positioning device according to the present invention, to be switched region are the area within the scope of the distance to a declared goal of building circumference both sides
Domain, distance to a declared goal are 1 meter to 5 meters.
Above-mentioned technical proposal according to the present invention can reduce the power consumption for the positioning device for supporting indoor and outdoor positioning, increase
The standby usage time of battery.
Description of the drawings
It is incorporated into specification and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and with
Relevant verbal description principle for explaining the present invention together.In the drawings, similar reference numeral is for indicating class
As element.Drawings in the following description are some embodiments of the invention, rather than whole embodiments.It is common for this field
It, without creative efforts, can be obtain other attached drawings according to these attached drawings for technical staff.
Fig. 1 schematically illustrates the localization method of the seamless switching between support indoor and outdoor positioning according to the present invention
Flow chart.
Fig. 2 schematically illustrates the localization method institute of the seamless switching between support indoor and outdoor positioning according to the present invention
The schematic diagram in the to be switched region being related to.
Fig. 3 schematically illustrates the positioning device of the seamless switching between support indoor and outdoor positioning according to the present invention
Structure chart.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.It needs
It is noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application mutually can be combined arbitrarily.
Fig. 1 schematically illustrates the localization method of the seamless switching between support indoor and outdoor positioning according to the present invention
Flow chart.
As shown in the solid box of Fig. 1, above-mentioned localization method includes the following steps：
Step S102：Positioning device selects a kind of as selected positioning side from indoor positioning mode and outdoor positioning mode
Formula provides the current location information of positioning device；
Step S104：Positioning device determines itself based on the electronic map information near current location information and current location
Among to be switched region；
Step S106：Whether positioning device execution needs to switch between indoor positioning method and outdoor positioning mode
Switch decision；
Step S108：Positioning device switches according to the court verdict of switch decision selectes positioning method, wherein to be switched area
Domain is the near the periphery of region of building.
Using above-mentioned localization method, it can determine whether positioning device is in be switched region in conjunction with electronic map information
Among, and only when determining that positioning device is among to be switched region, switch decision is just executed, it is fixed so as to reduce
The power consumption of position device, increases the standby usage time of battery.
Moreover, only (that is, above-mentioned to be switched region) just switches in a certain range around building, it can also pole
The earth reduces the mistake switching between indoor and outdoor positioning method, ensure that the continuity of positioning.
Optionally, as shown in the dotted line frame of Fig. 1, above-mentioned localization method can also include the following steps：
Step S104 '：The absolute value of the increment size for the ambient light illumination that positioning device confirmly detects is more than first threshold.
Using this scheme, above-mentioned localization method can come further combined with the variation of ambient light illumination to interior/outer shroud
Transformation between border is perceived, and is only more than first threshold (that is, very may be used in the absolute value of the increment size of ambient light illumination
The transformation between interior/external environment can have occurred) when, switch decision is just executed, so as to further decrease positioning device
Power consumption further increases the standby usage time of battery.
It (is somebody's turn to do for example, this can illustrate to carry moreover, being only more than first threshold in the absolute value of the increment size of ambient light illumination
The user of positioning device is very likely at the entrance of building) when, switch decision is just executed, can also be further reduced
Mistake switching between indoor and outdoor positioning method, further ensures the continuity of positioning.
Optionally, following switch decision strategy may be used to execute above-mentioned switch decision in step S106：
When positioning device determines that selecting positioning method is indoor positioning mode and determines and detected come from least four
When the signal-to-noise ratio of the outdoor positioning signal of satellite is more than second threshold, alternatively, when positioning device determines that it is room to select positioning method
When the signal power from indoor indoor positioning signal detected by outer positioning method and determination is more than third threshold value, do
Go out the court verdict switched over.
Fig. 2 schematically illustrates the localization method institute of the seamless switching between support indoor and outdoor positioning according to the present invention
The schematic diagram in the to be switched region being related to.
For example, what is identified by solid box in Fig. 2 is the circumference of building (that is, the cross section in building horizontal direction
Profile), the region identified by two dotted line frames of different sizes can be arranged to be switched region.
Optionally, to be switched region is the region within the scope of the distance to a declared goal of building circumference both sides, and above-mentioned distance to a declared goal is 1
Rice is to 5 meters.
Optionally, to be switched region is within the scope of distance to a declared goal and building circumference inside entrance on the outside of building circumference
Region within the scope of the identical or different distance to a declared goal at place, above-mentioned distance to a declared goal are 1 meter to 5 meters.
That is, said program can utilize existing indoor and outdoor cartographic information, a certain range is established on outer map periphery indoors
Buffering area (that is, to be switched region).According to current indoor or outdoors positioning signal (that is, used in selected positioning method
Positioning signal) determined by position judged, when carry positioning device user enter buffering area when, then it is assumed that user connects down
There is a prodigious variation that may carry out indoor and outdoor surroundings, to trigger the switching between indoor and outdoor positioning method.
Optionally, indoor positioning mode is selected from least one of following：Bluetooth, WiFi, LED light, UWB；Outdoor positioning
Mode is selected from least one of following：Global positioning satellite, big-dipper satellite positioning, Galilean satellite positioning.
Optionally, first threshold is 1000 luxs, and second threshold is 30 decibels, and third threshold value is from indoor interior
The half of the transmission power of positioning signal.
For example, corresponding to the combination of above-mentioned steps S104 ' and step S106.In the movement for the user for carrying the positioning device
In the process, first determine whether ambient light illumination (can also accordingly judge luminous flux) variation whether be more than first threshold (for example,
1000 luxs), if more than first threshold, illustrates that user is very likely at the entrance of building, need to further judge,
If the ambient light illumination of the positioning device reduces sharply (that is, variation is more than first threshold)；Indoor signal (the example received simultaneously
Such as, Bluetooth signal) intensity be more than its maximum intensity (that is, its transmission power) 1/2 (that is, third threshold value), then it is assumed that user
Interior is entered from outdoor, positioning signal is switched to indoor positioning signal (for example, Bluetooth signal).If the ambient light of positioning device
Illumination occurs increase severely (that is, variation is more than first threshold)；Outdoor signal can be received (for example, GPS simultaneously
GPS signal) signal-to-noise ratio (SNR) be more than 30 decibels (that is, second thresholds), then it is assumed that user from indoor moving to outdoor,
Positioning signal is switched to outdoor positioning signal (for example, GPS signal).
Fig. 3 schematically illustrates the positioning device of the seamless switching between support indoor and outdoor positioning according to the present invention
300 structure chart.
As shown in the solid box in Fig. 3, positioning device 300 includes：
Positioning method selecting module 301 is selected for positioning device 300 from indoor positioning mode and outdoor positioning mode
It is a kind of to provide the current location information of positioning device 300 as selected positioning method；
To be switched area determination module 303, for positioning device 300 based on current location information and current location near
Electronic map information determines that itself is among to be switched region；
Switch decision execution module 305, for when the determination of positioning device 300 is among to be switched region itself, holding
Whether row needs the switch decision switched between indoor positioning method and outdoor positioning mode；
Positioning method handover module 307 switches selected positioning for positioning device 300 according to the court verdict of switch decision
Mode, wherein to be switched region is the near the periphery of region of building.
Optionally, as shown in the dotted line frame in Fig. 3, positioning device 300 can also comprise the following modules：
Ambient light illumination increment size detection module 309, the increment size for detecting ambient light illumination；
First threshold comparison module 311, the increment size of the ambient light illumination confirmly detected for positioning device 300 it is exhausted
First threshold is more than to value；
Wherein, switch decision execution module 305 is additionally operable to, positioning device 300 determination itself be in be switched region it
In and the absolute value of the increment size of ambient light illumination that confirmly detects of positioning device 300 when being more than first threshold, execute switching
Judgement.
As described above, optionally, switch decision execution module 305 executes switch decision using following mode decision scheme：
Positioning method is selected when the determination of positioning device 300 to be indoor positioning mode and determine detected come from least
When the signal-to-noise ratio of the outdoor positioning signal of four satellites is more than second threshold, alternatively, selecting positioning side when positioning device 300 determines
Formula is outdoor positioning mode and determines that the detected signal power from indoor indoor positioning signal is more than third threshold value
When, make the court verdict switched over.
As described above, optionally, to be switched region is the region within the scope of the distance to a declared goal of building circumference both sides, above-mentioned
Distance to a declared goal is 1 meter to 5 meters.
The above-mentioned technical proposal of the present invention outdoor positioning signal (for example, GPS signal) and indoor positioning signal (for example,
Bluetooth signal) on the basis of, innovative fusion geography information (for example, electronic map) and sensor are (for example, ambient lighting
Degree sensor) data switch over judgement, and indoor and outdoor surroundings are perceived using intellectualized algorithm, take over seamlessly indoor positioning
With outdoor positioning.It overcomes indoor with outdoor independent consideration, only simple according to whether receiving indoor signal or outdoor
Signal and carry out it is present in the scheme of indoor and outdoor switching, to the indoor and outdoor position of user switch over it is ineffective, be easy to make
At blind area or the defect of delay；Overcome that indoor when being switched to outdoor, there are the defects of certain signal delay for satellite-signal；Gram
Outdoor has been taken to be switched to indoor, particularly unconventional Sojourn times, be easy to cause indoor signal loss, influence what user's positioning was experienced
Defect.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within protection scope of the present invention.
It will appreciated by the skilled person that whole or certain steps in method disclosed hereinabove, system, dress
Function module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the function module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step that can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as application-specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage media (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer-readable instruction, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage media include but not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer-readable instruction, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, the spirit of the technical solution for various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
And range.
Claims (10)
1. a kind of localization method for supporting the seamless switching between indoor and outdoor positioning, which is characterized in that the method includes：
Step 1：Positioning device selects a kind of as selected positioning method from indoor positioning mode and outdoor positioning mode and carries
For the current location information of the positioning device；
Step 2：The positioning device is determined certainly based on the electronic map information near the current location information and current location
It is among to be switched region；
Step 3：Positioning device execution whether need between the indoor positioning mode and the outdoor positioning mode into
The switch decision of row switching；
Step 4：The positioning device switches the selected positioning method according to the court verdict of the switch decision,
Wherein, the to be switched region is the near the periphery of region of building.
2. localization method as described in claim 1, which is characterized in that between the step 2 and the step 3, the side
Method further includes：
Step 2 '：The absolute value of the increment size for the ambient light illumination that the positioning device confirmly detects is more than first threshold.
3. localization method as claimed in claim 1 or 2, which is characterized in that the step 3 using following switch decision strategy come
Execute the switch decision：
When the positioning device determines that the selected positioning method is the indoor positioning mode and determines detected come from
When the signal-to-noise ratio of the outdoor positioning signal of at least four satellites is more than second threshold, alternatively,
When the positioning device determines that the selected positioning method is the outdoor positioning mode and determines detected come from
When the signal power of indoor indoor positioning signal is more than third threshold value, the court verdict switched over is made.
4. localization method as claimed in claim 1 or 2, which is characterized in that the to be switched region is building circumference both sides
Region within the scope of distance to a declared goal, the distance to a declared goal are 1 meter to 5 meters.
5. localization method as claimed in claim 1 or 2, which is characterized in that the indoor positioning mode in following extremely
Few one kind：Bluetooth, WiFi, LED light, UWB；The outdoor positioning mode is selected from least one of following：Global positioning satellite,
Big-dipper satellite positioning, Galilean satellite positioning.
6. localization method as claimed in claim 3, which is characterized in that the first threshold be 1000 luxs, described second
Threshold value is 30 decibels, and the third threshold value is the half of the transmission power from the indoor indoor positioning signal.
7. it is a kind of support indoor and outdoor to position between seamless switching positioning device, which is characterized in that described device includes：
Positioning method selecting module selects a kind of work for the positioning device from indoor positioning mode and outdoor positioning mode
The current location information of the positioning device is provided for selected positioning method；
To be switched area determination module, for the positioning device based on the electricity near the current location information and current location
Sub- cartographic information determines that itself is among to be switched region；
Switch decision execution module, for when the positioning device determines that itself is among the to be switched region, executing
Whether the switch decision that the indoor positioning mode and the outdoor positioning mode between switches over is needed；
Positioning method handover module, it is described selected fixed according to the switching of the court verdict of the switch decision for the positioning device
Position mode,
Wherein, the to be switched region is the near the periphery of region of building.
8. positioning device as claimed in claim 7, which is characterized in that the positioning device further includes with lower module：
Ambient light illumination increment size detection module, the increment size for detecting ambient light illumination；
The absolute value of first threshold comparison module, the increment size of the ambient light illumination confirmly detected for the positioning device is big
In first threshold；
Wherein, the switch decision execution module is additionally operable to, and determines that itself is in the to be switched region in the positioning device
Among and the absolute value of the increment size of ambient light illumination that confirmly detects of positioning device when being more than the first threshold,
Execute the switch decision.
9. positioning device as claimed in claim 7 or 8, which is characterized in that the switch decision execution module is sentenced using following
Decision slightly executes the switch decision：
When the positioning device determines that the selected positioning method is the indoor positioning mode and determines detected come from
When the signal-to-noise ratio of the outdoor positioning signal of at least four satellites is more than second threshold, alternatively,
When the positioning device determines that the selected positioning method is the outdoor positioning mode and determines detected come from
When the signal power of indoor indoor positioning signal is more than third threshold value, the court verdict switched over is made.
10. positioning device as claimed in claim 7 or 8, which is characterized in that the to be switched region is building circumference both sides
Region within the scope of distance to a declared goal, the distance to a declared goal are 1 meter to 5 meters.
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| CN201810199692.5A CN108366341A (en) | 2018-03-08 | 2018-03-08 | A kind of localization method and device for supporting the seamless switching between indoor and outdoor positioning |
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| CN201810199692.5A CN108366341A (en) | 2018-03-08 | 2018-03-08 | A kind of localization method and device for supporting the seamless switching between indoor and outdoor positioning |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375244A (en) * | 2018-09-28 | 2019-02-22 | 北斗天地股份有限公司 | A kind of positioning device and its localization method |
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| CN110081887A (en) * | 2019-04-23 | 2019-08-02 | 电子科技大学广东电子信息工程研究院 | A kind of localization method and terminal of indoor and outdoor seamless switching |
| CN110174640A (en) * | 2019-05-24 | 2019-08-27 | 上海物联网有限公司 | A kind of indoor and outdoor seamless positioning system intelligently switched |
| CN110095799A (en) * | 2019-06-05 | 2019-08-06 | 广东电网有限责任公司 | A kind of integrated satellite navigation and super-broadband tech positioning system and its method |
| WO2023142923A1 (en) * | 2022-01-29 | 2023-08-03 | 京东方科技集团股份有限公司 | Electronic map switching method, electronic map processing method, terminal, server, and storage medium |
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