CN109254308A - Outdoor positioning mode and indoor positioning mode self-adapting switch method - Google Patents
Outdoor positioning mode and indoor positioning mode self-adapting switch method Download PDFInfo
- Publication number
- CN109254308A CN109254308A CN201710565377.5A CN201710565377A CN109254308A CN 109254308 A CN109254308 A CN 109254308A CN 201710565377 A CN201710565377 A CN 201710565377A CN 109254308 A CN109254308 A CN 109254308A
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- outdoor
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- indoor positioning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention gives, when terminal user is mobile from outdoor environment to indoor environment, switching method of the outdoor satellite station-keeping mode to indoor positioning mode.Meanwhile when also giving mobile from indoor environment to outdoor environment as terminal user, switching method of the indoor positioning mode to outdoor positioning mode.It is characterized by: satellite positioning mode is only used only in the scene for only meeting outdoor satellite location condition.It is further characterized in that: in the scene for only meeting indoor positioning condition；Or not only meet outdoor satellite location condition but also meet in the scene of indoor positioning condition, indoor positioning mode is only used only.It is further characterized in that: it is not only being unsatisfactory for outdoor satellite location condition but also is being unsatisfactory in the scene of indoor positioning condition, outdoor positioning mode is only used only；But located in connection parameter will be adjusted.
Description
Technical field
The invention belongs to position and navigation field
Background technique
Outdoor satellite location technology includes BEI-DOU position system, GPS positioning system, GALILEO positioning system, Ge Luo at present
Receive this positioning system.For indoor positioning, the technology for being included usually have WiFi technology, ZigBee technology, Bluetooth technology,
RFID technique, ultrasonic technology, geomagnetic technology, inertial navigation technique, computer vision technique etc..Since indoor environment is extremely multiple
It is miscellaneous, up to the present, unified indoor positioning technologies standard is not formed.Present situation on product from the market, simple outdoor
There are many positioning product；And simple indoor positioning product is quite a few.But can outdoor positioning but also indoor positioning product but
It is fewer and fewer.
For the positioning terminal of indoor and outdoor double mode, since the environment of application is very complicated, including outdoor open field is moved slowly at
Scene, outdoor unobstructed scene are blocked in scape, outdoor fast moving scenes, outdoor.For interior, and including office building field
Scape, construction tunnel scene, underground anti-aircraft defence scene etc..Even if construction tunnel scene is divided into the danger for needing high accuracy positioning again
Danger zone domain and safety zone of high accuracy positioning etc. is not needed.Complicated scene, the localization method for needing to refine, only this
Sample can be only achieved energy-efficient purpose.Such as bimodulus indoor and outdoor positioning terminal is when coming into interior from outdoor, if not turning off outdoor
Station-keeping mode will greatly waste electric energy.Similarly, into outdoor, if not closing indoor positioning mode, same waste electricity
Energy.Therefore, a kind of adaptive indoor and outdoor station-keeping mode switching method is designed, is come from energy-efficient angle and the angle of user experience
It says, is all very important.
Summary of the invention
The present invention gives a kind of adaptive indoor and outdoor station-keeping mode conversion methods.Including two kinds of scenes: 1) from outdoor
Environment advances to the handoff procedure of station-keeping mode during indoor environment.2) determine during advancing to outdoor environment from indoor environment
The handoff procedure of bit pattern.
From outdoor environment advance to indoor environment during the handoff procedure of station-keeping mode to pass through " outdoor area ", " room
Interior outer overlapped areas " and " room area ".Its process is as shown in following Fig. 1.
From outdoor environment to indoor environment, the conversion process of station-keeping mode includes the following steps:
1) judge whether outdoor positioning condition continues to meet, continue to outdoor positioning mode if met.
If 2) outdoor positioning condition is not meeting, continue to keep outdoor positioning mode, but station-keeping mode in opening chamber simultaneously.
3) judge whether indoor positioning condition meets, positioned if meeting using indoor positioning mode, meanwhile, close room
Outer station-keeping mode.
If 4) indoor positioning mode is unsatisfactory for and outdoor positioning mode is also unsatisfactory for, indoor positioning mode is closed, and after
Continuous work is in outdoor positioning mode；But the relevant parameter of outdoor positioning mode will be adjusted.
Above-mentioned whole process can be indicated with following Fig. 2.
1) the outdoor positioning judgment condition mentioned in [0005] includes:, receives the number N of position location satellites；2) and
The signal-to-noise ratio C/N of received each satellite positioning reference signal.3), 1) He 2) two differentiate the observation all designed at one
It is set up in time window, a length of design parameter Two of this window.This criterion is as follows: Ns≥NstAnd CIR >=CIRt.Wherein,
NstIt is design parameter, typically no less than 3.CIRtIt is the minimum signal-to-noise ratio for capableing of correct demodulated received signal.
The indoor positioning judgment condition mentioned in [0005] includes: 1) in the time window Twi observed by one, can
Correctly demodulate associated no less than NiThe location reference signals that a indoor positioning base station is emitted；2) room for being demodulated out
The signal strength of interior location reference signals is greater than designed threshold value, i.e. Rs >=Rst；Wherein, Rst is a design parameter.And
And Ni≥1。
[0005] the 4) be previously mentioned " close indoor positioning mode, continue outdoor positioning mode, but relevant parameter will be adjusted
It is whole." here relevant parameter to adjust, refer to " searching star interval " and " position location " send interval will correspondingly adjust it is long by one
A bit.Such purpose done, first is that terminal continues normal outdoor positioning after leaving indoor environment；Second is that reducing energy consumption to the greatest extent.
[0007] and [0008] it is mentioned to two watch window time span Two and Twi there are subordinate's relationships:
Two+Twi≥ (D/Vmax)-Δ1.Wherein, Vmax is the highest movement speed of terminal user；D is the length of crossover region；Δ1
It is the time delay that outdoor positioning is switched to indoor positioning, is a design parameter.
It is moved to outdoor scene in the slave indoor scene mentioned in [0003], region experienced includes: indoor positioning
Region, indoor positioning and outdoor positioning overlapping region, outdoor positioning region, as shown in following Fig. 3.
From interior into outdoor moving process, the conversion process of positioning method is as shown in following Fig. 4.
This change procedure can be used following step to describe:
1) judge whether the condition of indoor positioning continues to meet, the condition of judgement is as described in [0007].
2) if it is satisfied, then continuing to be positioned with indoor positioning mode；The station-keeping mode outside opening chamber if being unsatisfactory for.
3) further judge whether outdoor positioning mode meets, Rule of judgment is as described in [0006].
If 4) be not only unsatisfactory for outdoor positioning condition but also be unsatisfactory for indoor positioning condition, continue the outdoor positioning mould kept it turning on
Formula, but search star length of window and position location reports interval all to be extended accordingly.Power consumption may further be reduced by doing so, and be prolonged
Long stand-by time increases user experience.
Detailed description of the invention
Fig. 1 is the localization region schematic diagram passed through during advancing to indoor environment from outdoor environment.
Fig. 2 is the station-keeping mode switching flow figure during being moved to indoor environment from outdoor environment.
Fig. 3 is the localization region schematic diagram passed through during advancing to outdoor environment from indoor environment.
Fig. 4 is the station-keeping mode switching flow figure during being moved to outdoor environment from indoor environment.
Claims (4)
1. claim: the application scenarios that mutually switch the present invention provides outdoor satellite station-keeping mode and indoor positioning mode and
Trigger condition.It is characterized by: satellite positioning mode is only used only in the scene for only meeting outdoor satellite location condition.Its
It is further characterized in that: in the scene for only meeting indoor positioning condition；Or not only meets outdoor satellite location condition but also meet room
In the scene of interior location condition, indoor positioning mode is only used only.It is further characterized in that: both it is being unsatisfactory for outdoor satellite positioning strip
Part is unsatisfactory for again in the scene of indoor positioning condition, and outdoor positioning mode is only used only；But located in connection parameter will be adjusted.
2. as described in claim 1, meet the condition description of outdoor satellite positioning are as follows: 1), receive the number of position location satellite
Ns；2), the signal-to-noise ratio C/N of received each satellite positioning reference signal.3), 1) He 2) two differentiate all in a design
Observing time window in set up, a length of design parameter Two of this window.This criterion is as follows: Ns≥NstAnd CIR >=
CIRt.Wherein, NstIt is design parameter, typically no less than 3.CIRtIt is the minimum signal-to-noise ratio for capableing of correct demodulated received signal.
3. as described in claim 1, meet the condition description of indoor positioning are as follows: 1) one observed by time window Twi in,
Associated no less than N can correctly be demodulatediThe location reference signals that a indoor positioning base station is emitted；2) it is demodulated out
Indoor positioning reference signal signal strength be greater than designed threshold value, i.e. Rs >=Rst；Wherein, Rst is a design ginseng
Number.Also, N1≥1。
4. as described in claim 1, " not only it is being unsatisfactory for outdoor satellite location condition but also is being unsatisfactory for the scene of indoor positioning condition
In, outdoor positioning mode is only used only；But located in connection parameter will be adjusted." here relevant parameter to adjust, refer to
" searching star interval " and " position location " transmission interval will correspondingly adjust longer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710565377.5A CN109254308A (en) | 2017-07-12 | 2017-07-12 | Outdoor positioning mode and indoor positioning mode self-adapting switch method |
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|---|---|---|---|
| CN201710565377.5A CN109254308A (en) | 2017-07-12 | 2017-07-12 | Outdoor positioning mode and indoor positioning mode self-adapting switch method |
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| CN109254308A true CN109254308A (en) | 2019-01-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308471A (en) * | 2019-06-21 | 2019-10-08 | Oppo广东移动通信有限公司 | Equipment localization method, device, storage medium and electronic equipment |
| CN110677828A (en) * | 2019-09-30 | 2020-01-10 | 东北大学 | Wireless communication networking and positioning method special for construction site of constructional engineering |
| CN111669707A (en) * | 2020-06-10 | 2020-09-15 | 中通服咨询设计研究院有限公司 | Method for realizing indoor and outdoor continuous positioning based on 5G active chamber |
| CN113673656A (en) * | 2021-08-24 | 2021-11-19 | 云教（北京）科技有限公司 | Convenient positioning system for electronic student identity card and automatic switching mode and working method thereof |
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| CN110308471A (en) * | 2019-06-21 | 2019-10-08 | Oppo广东移动通信有限公司 | Equipment localization method, device, storage medium and electronic equipment |
| CN110677828A (en) * | 2019-09-30 | 2020-01-10 | 东北大学 | Wireless communication networking and positioning method special for construction site of constructional engineering |
| CN111669707A (en) * | 2020-06-10 | 2020-09-15 | 中通服咨询设计研究院有限公司 | Method for realizing indoor and outdoor continuous positioning based on 5G active chamber |
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| CN113673656A (en) * | 2021-08-24 | 2021-11-19 | 云教（北京）科技有限公司 | Convenient positioning system for electronic student identity card and automatic switching mode and working method thereof |
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