CN111521183B - Indoor positioning navigation method based on real estate GIS - Google Patents
Indoor positioning navigation method based on real estate GIS Download PDFInfo
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- CN111521183B CN111521183B CN202010221374.1A CN202010221374A CN111521183B CN 111521183 B CN111521183 B CN 111521183B CN 202010221374 A CN202010221374 A CN 202010221374A CN 111521183 B CN111521183 B CN 111521183B
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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
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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
- G01C21/005—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
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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
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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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
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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
- H04W4/024—Guidance services
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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
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility 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 an indoor positioning navigation method based on a house property GIS, which is applied to GIS visualization, and the graphical display of each room in a building is completed through the acquisition and the manufacture of field data. Firstly, the house type of a room is known, whether the room belongs to one-room one-hall or two-room one-hall and the like, and the mobile phone app is used on site, so that the house type of the room can be displayed graphically, room information can be displayed together, which room is used or vacant can be visually seen, and the departments belong to which place on the floor and the like. According to the collected room data, the collected room data are stored in a space GIS database, the data are different from general data, and the collected room data can store graphic information, so that a user can conveniently read, analyze and display the collected room data, and the collected room data are also favorable for the user to carry out space analysis, positioning analysis and the like of the data. The front end of the system performs coordinate transformation after reading the data, so that the data can be displayed according to a real scene structure and visually presented.
Description
Technical Field
The invention belongs to the field of real estate, and relates to an indoor positioning navigation method based on a real estate GIS.
Background
The conventional real estate management system is a basic database table management, and a table-like management mode is presented at a user side, so that the condition of each room cannot be intuitively seen, and reasonable use cannot be performed.
In the traditional indoor navigation, two main approaches are adopted for seamless positioning, namely, different indoor and outdoor positioning technologies are combined through a switching algorithm; secondly, a new positioning system which can pack the internal and external environments of the market is realized. The latter is limited by the difference of indoor and outdoor channel conditions and has low precision, while the former requires a receiver with various systems for users, and the real seamless connection is difficult to realize. As a combination of the two, various positioning means using GNSS signals in an indoor environment typified by IMES systems have been developed in recent years. They each have drawbacks. The IMES system needs to change the GPS navigation message, and can not be practically applied under the condition that the vast user equipment is not changed; the system adopting TOA positioning indoors is limited by indoor shielding environment, and the positioning accuracy is limited; in order to avoid interference to the signals of the outdoor GNSS system, the LOCAT system has to be moved to the 2.4GHz open frequency band, thereby losing the advantage of the unified signal system and deviating from the original purpose.
Therefore, a new indoor positioning navigation method is urgently needed, and the problem that the real estate field cannot intuitively see the condition of each room, so that reasonable use cannot be performed is solved.
Disclosure of Invention
The invention aims at: the indoor positioning navigation method based on the real estate GIS solves the defects of the prior art.
The technical scheme adopted by the invention is as follows:
an indoor positioning navigation method based on a real estate GIS adopts the following steps to carry out the indoor positioning navigation method,
step 1: outdoor data acquisition is carried out by using RTK and total station equipment in the early field, indoor data acquisition is carried out by using a range finder, and a coordinate system adopts WGS84;
step 2: the map service system developed by the mobile terminal is opened, the data is called by using a GIS frame conforming to the OGC standard at the front end of the system and is converted into a graph which can be presented on the map, and the current position coordinate is obtained outdoors through a GPS positioning chamber of a mobile phone and presented on the map, so that the map defaults to initialize the actual position of the user;
step 3: clicking or searching a position to be moved by a user on the mobile terminal application, matching and listing possible destinations selected by the user according to the place name address by the system, and when the user selects an end point, planning a route with the shortest distance or the shortest time to reach the destination by taking the current position of the user as a starting point by default by the system;
step 4: during outdoor navigation, the mobile terminal obtains GPS satellite positioning, nearby base station positioning and 4G network for hybrid positioning until the mobile terminal navigates to the entrance of a destination building;
step 5: the mobile phone integrates position data of indoor wireless AP and indoor Bluetooth equipment, when a user progress indoor mobile terminal automatically matches indoor wireless AP and other positioning equipment, the user is judged to enter indoor navigation, the indoor equipment acquires the position direction of the mobile phone in the equipment through mobile phone information connected through signals, and the mobile terminal application visually displays the data transmitted to the mobile phone terminal based on the orientation and distance of the equipment;
step 6: the mobile terminal map service application calls a gyroscope device of the mobile terminal, analyzes the direction of a user through the pointing direction of the gyroscope, judges whether the advancing direction of the user is consistent with the direction of an indoor planned route, if inconsistent or offset exists, the system carries out position offset voice or vibration reminding;
step 7: the mobile terminal map service obtains the position point and the distance update of the current movement every 2-5 seconds until the user reaches the appointed position, and the mobile terminal map service is finished.
Further, the data in the step 1 are stored in a GIS space database.
Further, the GIS spatial database comprises spatial relation analysis processing of spatial positions, spatial distribution, spatial forms and spatial distances of geographic information; wherein the spatial distribution includes a point distribution, a line distribution, or a faceted distribution between geographic entities or landscapes within the region.
Further, in step 5, the bluetooth devices are installed in the corridor with a BEACON installed at intervals of 20 meters.
Further, the Bluetooth equipment can monitor the Bluetooth equipment through the iBeacon manager through the network in real time, and log statistics is carried out every day once abnormal operation is reported in a wireless way in time.
Further, the system also comprises a buffer analysis unit, wherein the GIS space database is used for analyzing the processed geographic entities, a polygonal buffer area structure is built around the geographic entities, a proximity module is built, data calculation of the proximity between the adjacent geographic entities is carried out, and then the proximity data are transmitted to the GIS space database.
Further, the GIS space database is designed with a data model adopting a tree structure: GIS model (GISModel), layer (Layer), group (Group), primitive (Unit).
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the indoor positioning navigation method based on the real estate GIS solves the problem that a user goes to a certain room of a building to do work, the system can search out a corresponding room, can plan out the shortest path, enables the user to walk to a designated position by himself according to the route, is visually presented on the whole process system, has good experience effect, does not know where the name of the room is compared with the prior art, and solves the problem of reaching the designated position.
2. The indoor positioning navigation method based on the real property GIS solves the problems that GPS precision is poor and deviation is serious when the real navigation walking in the building is carried out.
3. The indoor positioning navigation method based on the real estate GIS has huge data volume, adopts a GIS space database, the space database is oriented to geography and related objects, and in the objective world, the space database is usually related to earth surface information, geological information, atmosphere information and other complex phenomena and information, so that the data capacity for describing the information is very large, and the capacity generally reaches GB. Spatial information systems are required to have powerful information retrieval and analysis capabilities, which are based on spatial databases, requiring efficient access to large amounts of data.
Drawings
For a clearer description of the technical solutions of embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered limiting in scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic flow chart of the present invention;
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with examples.
Example 1
The indoor positioning navigation method based on the real estate GIS provided by the preferred embodiment of the invention adopts the following steps to carry out the indoor positioning navigation method; step 1: outdoor data acquisition is carried out by using RTK and total station equipment in the early field, indoor data acquisition is carried out by using a range finder, and a coordinate system adopts WGS84;
step 2: the map service system developed by the mobile terminal is opened, the data is called by using a GIS frame conforming to the OGC standard at the front end of the system and is converted into a graph which can be presented on the map, and the current position coordinate is obtained outdoors through a GPS positioning chamber of a mobile phone and presented on the map, so that the map defaults to initialize the actual position of the user;
step 3: clicking or searching a position to be moved by a user on the mobile terminal application, matching and listing possible destinations selected by the user according to the place name address by the system, and when the user selects an end point, planning a route with the shortest distance or the shortest time to reach the destination by taking the current position of the user as a starting point by default by the system;
step 4: during outdoor navigation, the mobile terminal obtains GPS satellite positioning, nearby base station positioning and 4G network for hybrid positioning until the mobile terminal navigates to the entrance of a destination building;
step 5: the mobile phone integrates position data of indoor wireless AP and indoor Bluetooth equipment, when a user progress indoor mobile terminal automatically matches indoor wireless AP and other positioning equipment, the user is judged to enter indoor navigation, the indoor equipment acquires the position direction of the mobile phone in the equipment through mobile phone information connected through signals, and the mobile terminal application visually displays the data transmitted to the mobile phone terminal based on the orientation and distance of the equipment;
step 6: the mobile terminal map service application calls a gyroscope device of the mobile terminal, analyzes the direction of a user through the pointing direction of the gyroscope, judges whether the advancing direction of the user is consistent with the direction of an indoor planned route, if inconsistent or offset exists, the system carries out position offset voice or vibration reminding;
step 7: the map service of the mobile terminal obtains the position point and the distance update of the current movement once every 2-5 seconds until the user reaches the designated position, and ends
The working principle of the invention is as follows: and GIS visualization application is introduced, and the graphical display of each room in the building is completed through the acquisition and the production of field data (the RTK dotting and the range finder are used for measuring the length and the width of the room in the field). Firstly, knowing the house type of a room, whether the room belongs to a hall or a two-hall, and the like, using mobile phone app (autonomous software, carrying out basic information of a mobile phone room, such as room number, room name, using departments, and the like) on site, not only can graphically display the house type of the room, but also can display the room information together, and intuitively see which room is used or vacant, who the affiliated departments are, which positions are distributed on floors, and the like.
According to the collected room data, the collected room data are stored in a space GIS database, the data are different from general data, and the collected room data can store graphic information, so that a user can conveniently read, analyze and display the collected room data, and the collected room data are also favorable for the user to carry out space analysis, positioning analysis and the like of the data. The front end of the system performs coordinate transformation after reading the data, so that the data can be displayed according to a real scene structure and visually presented. In this way each room can not only show but also have real location information. After inquiring the information of a certain room, the user can directly locate the corresponding room position and perform position navigation. The user searches for information of certain room information at the computer end and can click to navigate to the position, and the system performs matrix analysis by using road network data obtained by topology analysis of the collected data to optimize and display the optimal arrival route. When the user walks in the building in the actual navigation way, the problem that GPS precision is poor and deviation is serious is solved, the user installs Bluetooth positioning equipment in the building, the mobile phone is connected to corresponding equipment to analyze the position in the building by means of coordinate and elevation calculation, whether the position deviates from the actual position or not is judged, and if so, correction prompt is carried out until the user reaches a destination.
Example two
The first embodiment is based on the first embodiment, and further, data in step 1 is stored in a GIS spatial database. The GIS spatial database comprises spatial relationship analysis processing of spatial positions, spatial distribution, spatial forms and spatial distances of geographic information; wherein the spatial distribution includes a point distribution, a line distribution, or a faceted distribution between geographic entities or landscapes within the region. In step 5, the Bluetooth devices are installed in the corridor, and a BEACON is installed at intervals of 20 meters. The Bluetooth equipment can monitor the Bluetooth equipment through the iBeacon manager in real time through a network, and log statistics is carried out every day once abnormal operation is timely and wirelessly reported. The system also comprises a buffer analysis unit, wherein the buffer analysis unit is used for analyzing the geographic entities processed by the GIS space database, a polygonal buffer area structure is built around the geographic entities, a proximity module is built, data calculation of the proximity between the adjacent geographic entities is carried out, and then the proximity data are transmitted to the GIS space database; the GIS space database is designed with a data model adopting a tree structure: GIS model (GISModel), layer (Layer), group (Group), primitive (Unit).
The working principle of the invention is as follows: the iBeacon manager which is introduced by the technology of golden Ou can monitor the iBeacon manager through a network from time to time, and log statistics and the like can be carried out every day once the operation abnormality can be reported in time. The manager can be put in any place with network in the world to work, the user can also access and control the public numbers of other software such as WeChat and the like, and can manage various BEACON with radius within a distance of 100 meters, and the management of data with timing or non-timing can be set according to clients every day. These data include: whether the BEACON broadcast data is normal; how much the battery is charged; the location of the device; remote modification of the usual information of the updated BEACON, etc. All data can be transmitted to the background through a wired or WIFI network, and can also be made to support a 4G network. Supporting 4G networks.
The buffer analysis unit adopts a technology recorded in a geographic space analysis system based on the combination of GIS and a space database, specifically, the buffer analysis system analyzes the processed geographic entities by the ComGIS system, a polygonal buffer area structure is built around the buffer analysis system, a proximity module is built, data calculation of the proximity between adjacent geographic entities is carried out, and then the proximity data is transmitted to the space database; the superposition analysis system analyzes the processed geographical landscapes through the ComGIS system, performs layering processing on the geographical landscapes according to the topics, and performs data operation on the layered geographical landscapes by utilizing the geographical information system; the grid analysis system uses a geographic information system, a network and a communication technology to perform geographic analysis and modeling processing on a geographic network and an infrastructure network, and comprises an address matching module, a path analysis module and a resource allocation module for an area which is already grid-networked. "
The above description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and modifications within the spirit and principles of the invention will become apparent to those skilled in the art.
Claims (7)
1. An indoor positioning navigation method based on a real estate GIS is characterized by comprising the following steps: the indoor positioning navigation method is carried out by adopting the following steps,
step 1: outdoor data acquisition is carried out by using RTK and total station equipment in the early field, indoor data acquisition is carried out by using a range finder, and a coordinate system adopts WGS84;
step 2: the map service system developed by the mobile terminal is opened, the data is called by using a GIS frame conforming to the OGC standard at the front end of the system and is converted into a graph which can be presented on the map, and the current position coordinate is obtained outdoors through a GPS positioning chamber of a mobile phone and presented on the map, so that the map defaults to initialize the actual position of the user;
step 3: clicking or searching a position to be moved by a user on the mobile terminal application, matching and listing possible destinations selected by the user according to the place name address by the system, and when the user selects an end point, planning a route with the shortest distance or the shortest time to reach the destination by taking the current position of the user as a starting point by default by the system;
step 4: during outdoor navigation, the mobile terminal obtains GPS satellite positioning, nearby base station positioning and 4G network for hybrid positioning until the mobile terminal navigates to the entrance of a destination building;
step 5: the mobile phone integrates position data of indoor wireless AP and indoor Bluetooth equipment, when a user progress indoor mobile terminal automatically matches indoor wireless AP positioning equipment, the user is judged to enter indoor navigation, the indoor equipment obtains the position direction of the mobile phone in the equipment through mobile phone information connected through signals, and the mobile terminal application visually displays data transmitted to the mobile phone terminal based on the orientation and distance of the equipment;
step 6: the mobile terminal map service application calls a gyroscope device of the mobile terminal, analyzes the direction of a user through the pointing direction of the gyroscope, judges whether the advancing direction of the user is consistent with the direction of an indoor planned route, if inconsistent or offset exists, the system carries out position offset voice or vibration reminding;
step 7: the mobile terminal map service obtains the position point and the distance update of the current movement every 2-5 seconds until the user reaches the appointed position, and the mobile terminal map service is finished.
2. The house property GIS-based indoor positioning navigation method as claimed in claim 1, wherein: and (3) storing the data in the step (1) into a GIS space database.
3. The house property GIS-based indoor positioning navigation method as claimed in claim 2, wherein: the GIS spatial database comprises spatial relationship analysis processing of spatial positions, spatial distribution, spatial forms and spatial distances of geographic information; wherein the spatial distribution includes a point distribution, a line distribution, or a faceted distribution between geographic entities or landscapes within the region.
4. The house property GIS-based indoor positioning navigation method as claimed in claim 1, wherein: in step 5, the Bluetooth devices are installed in the corridor, and a BEACON is installed at intervals of 20 meters.
5. The house property GIS-based indoor positioning navigation method as claimed in claim 4, wherein: the Bluetooth equipment can monitor the Bluetooth equipment through the iBeacon manager in real time through a network, and log statistics is carried out every day once abnormal operation is timely and wirelessly reported.
6. The house property GIS-based indoor positioning navigation method as claimed in claim 1, wherein: the system also comprises a buffer analysis unit, wherein the GIS space database is used for analyzing the processed geographic entities, a polygonal buffer area structure is built around the geographic entities, a proximity module is built, data calculation of the proximity between the adjacent geographic entities is carried out, and then the proximity data are transmitted to the GIS space database.
7. The house property GIS-based indoor positioning navigation method as claimed in claim 1, wherein: the GIS space database is designed with a data model adopting a tree structure.
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