CN107478229A - A kind of indoor navigation system - Google Patents
A kind of indoor navigation system Download PDFInfo
- Publication number
- CN107478229A CN107478229A CN201710627866.9A CN201710627866A CN107478229A CN 107478229 A CN107478229 A CN 107478229A CN 201710627866 A CN201710627866 A CN 201710627866A CN 107478229 A CN107478229 A CN 107478229A
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- China
- Prior art keywords
- subsystem
- point
- user
- navigation
- map
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/206—Instruments for performing navigational calculations specially adapted for indoor navigation
-
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Navigation (AREA)
Abstract
The present invention discloses a kind of indoor navigation system, including electronic map subsystem, Wifi positioning subsystems, navigation subsystem, Map building subsystem, Wifi information gathering subsystems and user subsystem；Son ground dsp subsystem is used for display, zoom, the movement for realizing electronic map, and to show that various data leave interface, convenient display positioning and navigation results；The Wifi positioning subsystems are used for Wifi signal intensities, the address submitted by user, and obtain customer location according to RSSI fingerprint databases.The navigation module is used for the digraph of the expression indoor road topological structure preserved according to the map structure layer of electronic map subsystem, and a road from specified starting point to target point is obtained using navigation algorithm.The present invention can conveniently provide the user indoor navigation service, and registration, route error rate is low, easy to use, and cost is low.
Description
Technical field
The present invention relates to indoor navigation field, more particularly to a kind of indoor navigation system.
Background technology
Indoor navigation process carries out customer location positioning using user surrounding environment, and customer location is mapped to now
There is map to carry out real-time navigation.When carrying out customer location positioning, GPS technology, inertia or non-inertial sensor skill can be utilized
Art and signal analysis method determine position of the user relative to surrounding environment object of reference.But this kind of localization method is not
Accurately, several factors will weaken its accuracy significantly.Secondly, GPS technology has many limitations in navigating indoors, for example, very
In more indoor environments, GPS can not reception signal.Inertial sensor technology predicts road using the data on gyroscope and accelerator
Footpath and position, however, the accumulation of such system over time understands cumulative measurement error and ultimately results in navigation accuracy decline.It is non-used
Property sensor technology, such as compass, the intensity by measuring magnetic field etc., there is provided the detecting of accurate angle change, however, such
Technology is easily influenceed precision by the interference from other magnetic field sources.
The content of the invention
It is an object of the invention to by a kind of indoor navigation system, asked solve that background section above mentions
Topic.
To use following technical scheme up to this purpose, the present invention：
A kind of indoor navigation system, the system include electronic map subsystem, Wifi positioning subsystems, navigation subsystem,
Map building subsystem, Wifi information gathering subsystems and user subsystem；Son ground dsp subsystem is used to realize electronics
It has been shown that, zoom, the movement of map, and to show that various data leave interface, convenient display positioning and navigation results；It is described
Wifi positioning subsystems are used for Wifi signal intensities, the address submitted by user, and are used according to RSSI fingerprint databases
Family position, is specifically included：User terminal gathers the RSSI and address information of environment Wifi access points, and the information is sent
To server, the data received and the RSSI fingerprint comparisons to be prestored in database, calculating are each put the possibility occurred by server
Property, if obtaining the optimal point done, take its average value as use place according to weights；The navigation module is used for according to electronics
The digraph for the expression indoor road topological structure that the map structure layer of ground dsp subsystem is preserved, one is obtained using navigation algorithm
Road of the bar from specified starting point to target point, is specifically included：Nearest point search and path search；The point search recently includes
Choose electronic map topological structure in all put among closest to current location point and between the two without obstruction, the point of selection
As the current point in navigation pathfinding algorithm；Path search includes starting point and the target point obtained by nearest point search,
The road that navigates is obtained in the digraph of electronic map topological structure, and returns to user subsystem and shows on the electronic map；Institute
The map structure layer that Map building subsystem is used to establish electronic map is stated, specifically includes and map is carried out a little according to SVG figures
Addition, adjustment, and according to indoor environment according to point belonging to territorial classification；The Wifi information gatherings are used to adopt from subsystem
Collect RSSI received signal strengths, the address information of Wifi access points, and it handled, result is stored in database,
Specifically include：Information gathering and information processing, information gathering, which is included in known location, obtains RSSI, address information；At information
Reason includes being filtered the data of collection, generates RSSI fingerprint databases.The user subsystem be used for provide the user and
The interaction of server.
Especially, the user subsystem includes webpage version and mobile edition, and webpage version is used to show electronic map to user,
The position for inquiring about some place and the starting point to specify and target point navigation are provided；Mobile edition is used to carry on the basis of webpage version
For positioning function, it is possible to provide navigated from user position.
Indoor navigation system provided by the invention can conveniently provide the user indoor navigation service, positioning accurate
Really, route error rate is low, easy to use, and cost is low.
Brief description of the drawings
Fig. 1 is indoor navigation system structural representation provided in an embodiment of the present invention.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the more thorough of the disclosure understanding
Comprehensively.It should be noted that unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to the present invention's
The implication that those skilled in the art are generally understood that is identical.Term used in the description of the invention is herein
In order to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.Term as used herein " and/or " include one
The arbitrary and all combination of individual or multiple related Listed Items.
It refer to shown in Fig. 1, Fig. 1 is indoor navigation system structural representation provided in an embodiment of the present invention.
Indoor navigation system specifically includes electronic map subsystem, Wifi positioning subsystems, navigation subsystem in the present embodiment
System, Map building subsystem, Wifi information gathering subsystems and user subsystem；Son ground dsp subsystem is used to realize electricity
It has been shown that, zoom, the movement of sub- map, and to show that various data leave interface, convenient display positioning and navigation results；Institute
Wifi signal intensities, address that Wifi positioning subsystems are used to submit by user are stated, and is obtained according to RSSI fingerprint databases
Customer location, specifically include：User terminal gathers the RSSI and address information of environment Wifi access points, and the information is sent out
Give server, for server by the data received and the RSSI fingerprint comparisons to be prestored in database, calculate that each point occurs can
Energy property, if obtaining the optimal point done, take its average value as use place according to weights；The navigation module is used for according to electricity
The digraph for the expression indoor road topological structure that the map structure layer of sub- ground dsp subsystem is preserved, is obtained using navigation algorithm
One road from specified starting point to target point, specifically include：Nearest point search and path search；The point search bag recently
Include choose all put in electronic map topological structure among closest to current location point and between the two without obstruction, selection
Point is as the current point in navigation pathfinding algorithm；Path search includes starting point and the target point obtained by nearest point search,
The road that navigates is obtained in the digraph of electronic map topological structure, and returns to user subsystem and shows on the electronic map；
The Map building subsystem is used for the map structure layer for establishing electronic map, specifically includes and map is carried out according to SVG figures
Addition, the adjustment of point, and the territorial classification according to belonging to indoor environment according to point；The Wifi information gatherings are used for from subsystem
RSSI received signal strengths, the address information of Wifi access points are gathered, and it is handled, result is stored in data
Storehouse, specifically include：Information gathering and information processing, information gathering, which is included in known location, obtains RSSI, address information；Information
Processing includes being filtered the data of collection, generates RSSI fingerprint databases.The user subsystem is used to provide the user
With the interaction of server.The user subsystem includes webpage version and mobile edition in the present embodiment, and webpage version is used for user
Show electronic map, there is provided inquire about position and the starting point to specify and the target point navigation in some place；Mobile edition is used for
Positioning function is provided on the basis of webpage version, it is possible to provide is navigated from user position.
Technical scheme can conveniently provide the user indoor navigation service, registration, and route goes out
Error rate is low, easy to use, and cost is low.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (2)
1. a kind of indoor navigation system, it is characterised in that including electronic map subsystem, Wifi positioning subsystems, navigation subsystem
System, Map building subsystem, Wifi information gathering subsystems and user subsystem；Son ground dsp subsystem is used to realize electricity
It has been shown that, zoom, the movement of sub- map, and to show that various data leave interface, convenient display positioning and navigation results；Institute
Wifi signal intensities, address that Wifi positioning subsystems are used to submit by user are stated, and is obtained according to RSSI fingerprint databases
Customer location, specifically include：User terminal gathers the RSSI and address information of environment Wifi access points, and the information is sent out
Give server, for server by the data received and the RSSI fingerprint comparisons to be prestored in database, calculate that each point occurs can
Energy property, if obtaining the optimal point done, take its average value as use place according to weights；The navigation module is used for according to electricity
The digraph for the expression indoor road topological structure that the map structure layer of sub- ground dsp subsystem is preserved, is obtained using navigation algorithm
One road from specified starting point to target point, specifically include：Nearest point search and path search；The point search bag recently
Include choose all put in electronic map topological structure among closest to current location point and between the two without obstruction, selection
Point is as the current point in navigation pathfinding algorithm；Path search includes starting point and the target point obtained by nearest point search,
The road that navigates is obtained in the digraph of electronic map topological structure, and returns to user subsystem and shows on the electronic map；
The Map building subsystem is used for the map structure layer for establishing electronic map, specifically includes and map is carried out according to SVG figures
Addition, the adjustment of point, and the territorial classification according to belonging to indoor environment according to point；The Wifi information gatherings are used for from subsystem
RSSI received signal strengths, the address information of Wifi access points are gathered, and it is handled, result is stored in data
Storehouse, specifically include：Information gathering and information processing, information gathering, which is included in known location, obtains RSSI, address information；Information
Processing includes being filtered the data of collection, generates RSSI fingerprint databases.The user subsystem is used to provide the user
With the interaction of server.
2. indoor navigation system according to claim 1, it is characterised in that the user subsystem includes webpage version and shifting
Dynamic version, webpage version are used to show electronic map to user, there is provided inquire about position and the starting point to specify and the mesh in some place
Punctuate navigates；Mobile edition is used to provide positioning function on the basis of webpage version, it is possible to provide is navigated from user position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627866.9A CN107478229A (en) | 2017-07-28 | 2017-07-28 | A kind of indoor navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627866.9A CN107478229A (en) | 2017-07-28 | 2017-07-28 | A kind of indoor navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107478229A true CN107478229A (en) | 2017-12-15 |
Family
ID=60597218
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710627866.9A Withdrawn CN107478229A (en) | 2017-07-28 | 2017-07-28 | A kind of indoor navigation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151744A (en) * | 2017-12-20 | 2018-06-12 | 四川长虹电器股份有限公司 | Indoor navigation system based on A-STAR algorithms |
| CN111024087A (en) * | 2019-12-26 | 2020-04-17 | 国网上海市电力公司 | Substation inspection navigation system and navigation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103119470A (en) * | 2010-07-21 | 2013-05-22 | 韩国贸易信息通信株式会社 | System and method for location-based service for navigating indoors |
| US20140295878A1 (en) * | 2012-05-01 | 2014-10-02 | Shao-Wen Yang | Simultaneous localization and mapping using spatial and temporal coherence for indoor location |
| CN106017473A (en) * | 2016-05-19 | 2016-10-12 | 中国地质大学（武汉） | Indoor socializing navigation system |
| CN106525043A (en) * | 2016-10-09 | 2017-03-22 | 李信 | Intelligent route planning method |
-
2017
- 2017-07-28 CN CN201710627866.9A patent/CN107478229A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103119470A (en) * | 2010-07-21 | 2013-05-22 | 韩国贸易信息通信株式会社 | System and method for location-based service for navigating indoors |
| US20140295878A1 (en) * | 2012-05-01 | 2014-10-02 | Shao-Wen Yang | Simultaneous localization and mapping using spatial and temporal coherence for indoor location |
| CN106017473A (en) * | 2016-05-19 | 2016-10-12 | 中国地质大学（武汉） | Indoor socializing navigation system |
| CN106525043A (en) * | 2016-10-09 | 2017-03-22 | 李信 | Intelligent route planning method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151744A (en) * | 2017-12-20 | 2018-06-12 | 四川长虹电器股份有限公司 | Indoor navigation system based on A-STAR algorithms |
| CN111024087A (en) * | 2019-12-26 | 2020-04-17 | 国网上海市电力公司 | Substation inspection navigation system and navigation method |
| CN111024087B (en) * | 2019-12-26 | 2023-06-20 | 国网上海市电力公司 | Substation inspection navigation system and navigation method |
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Application publication date: 20171215 |
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