KR101789192B1 - System and Method for Generating Interior Position Reference Information - Google Patents

System and Method for Generating Interior Position Reference Information Download PDF

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Publication number
KR101789192B1
KR101789192B1 KR1020160001043A KR20160001043A KR101789192B1 KR 101789192 B1 KR101789192 B1 KR 101789192B1 KR 1020160001043 A KR1020160001043 A KR 1020160001043A KR 20160001043 A KR20160001043 A KR 20160001043A KR 101789192 B1 KR101789192 B1 KR 101789192B1
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KR
South Korea
Prior art keywords
indoor
information
location
reference information
smart terminal
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KR1020160001043A
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Korean (ko)
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KR20170081971A (en
Inventor
김인규
전영준
최원익
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주식회사 다울지오인포
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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
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G01S19/17—Emergency applications
    • 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
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0269—System arrangements wherein the object is to detect the exact location of child or item using a navigation satellite system, e.g. GPS

Abstract

The present invention analyzes multiple signals transmitted and received in a smart phone, various sensors, and an access point (AP), and obtains indoors position reference information including the number of floors, stairs, corridors, door positions, To provide an indoor position reference information providing grasp system and method. Therefore, by providing the indoor location reference information through the present invention, it is possible for the user to quickly respond to an accident (for example, finding a lost child) occurring in the room, To be able to grasp the location. Further, through the multi-signal analysis, as shown in FIG. 7B, accurate spatial information of an indoor space such as an outer wall, a staircase, a hallway, a door, the number of floors and interlayer connection information is grasped, By providing the reference information together, the accuracy of the indoor location information is improved.

Description

Technical Field [0001] The present invention relates to a method and system for generating indoor position reference information,

The present invention relates to a method of generating indoor location reference information, and more particularly, to a system and method for providing accurate position location information and indoor location reference information that are obtained through multi-signal analysis of a smart terminal.

The Global Positioning System (GPS), developed by the US Department of Defense, grasps the position of floating satellites in real time, receives signals from satellites through GPS receivers and satellite signals, And determines the position. With the spread of GPS technology and smart devices, many people use map services and location information services provided by various portals such as Google and Naver. Positioning technology using wireless communication infrastructure varies according to the type of infrastructure and service range. The Global Navigation Satellite System (GNSS) is a system for determining the user's position using satellite signals on the earth's orbits. The GPS (Global Positioning System) in the United States, GLONASS (Global Navigation Satellite System) in Russia, Galileo This is currently in operation or scheduled for operation. As an example of utilizing satellite positioning technology, a navigation system mounted on an automobile uses a coordinate information provided from three or more satellites to display the current position of the automobile on a map. Also, in the case of a wireless terminal (mobile phone) equipped with a location information providing program, the location information of the wireless terminal is provided to the user by using a repeater or a location information transmitting / receiving terminal installed on a road, a building or the like, Provide a clear view of your location. Specifically, conventionally, as shown in FIG. 1, the location of a user is determined by using all signals available in an outdoor area such as Galieo, Glonass, Baidu, and Quasi-Zenith.

However, the present location information providing service provides location information of a user located in a building having a wide indoor space, such as a department store, a large-scale shopping mall, or a large shopping mall, I can not.

In fact, most people in urban areas spend more time indoors than outdoors, but conventionally there is no technology for locating users by using signals such as RSSI, RTT, and EDP that are available in the indoor area or indoor / outdoor interlocking area. , A large shopping mall, an airport, or the like, it is inconvenient to find out the location information by using the floor map provided in the building or directly to the building information center.

Accordingly, the present invention analyzes multiple signals transmitted and received from a smart phone, various sensors, and an access point (AP) to determine indoor positions including the number of floors, stairs, corridors, door positions, An indoor position reference information generation system and method for providing reference information are disclosed.

According to an aspect of the present invention, there is provided a method of generating indoor location reference information, the method comprising: receiving a plurality of composite signals including GPS (Global Positioning System), Glonass, and WiFi signals to provide location information; It performs precise location positioning of smart terminals through multiple composite signals of smart terminals, indoor location sensors, and signal transmission devices including access points (APs), and performs indoor / outdoor distinction based on precise location information, An indoor location reference information generation server for generating indoor location reference information including information on the indoor location reference information and the indoor location reference information and providing the indoor location reference information together with the accurate location location information to the smart terminal; And a control center server for receiving the precise location and indoor location reference information of the specific smart terminal holder from the indoor location reference information generation server and converting the precise location information and the indoor location reference information of the plurality of users into a database; .

In accordance with another aspect of the present invention, there is provided a indoor location reference information generation server using indoor / outdoor availability composite signals, comprising: a multi-signal acquisition module for collecting outdoor / indoor composite signals from smart terminals, sensors, and signal transmission devices for precise location; A multi-complex signal for precise position positioning is collected from a signal transmitting apparatus including a smart terminal, an indoor location sensor, and an AP (Access Point), and based on the collected multiple signals, indoor / outdoor distinction, building name, An indoor location reference information generation module for generating indoor location reference information including a lake name in real time; And provides the smart terminal with the precise location and indoor location reference information obtained through the multiple signals.

A method for generating indoors location reference information in a indoor location reference information generation system according to another aspect of the present invention comprises the steps of: A) transmitting a multiple composite signal including a Global Positioning System (GPS), a Glonass, and a WiFi signal for providing location information in a smart terminal; ; B) collecting multiple complex signals for indoor position reference information from the signal transmission device including the smart terminal, indoor position measurement sensor and AP (Access Point) at the indoor precision positioning server; C) Indoor Location Reference Information Generation Based on the multiple composite signals collected from the server, real-time internal and external spatial information is analyzed in real time, and the indoor location of smart terminal holders including the indoor / outdoor classification flag, building name, building floor information, Providing the identified indoor location reference information to the smart terminal and the control center server by grasping the reference information; And D) receiving precise positions of the specific smart terminal holders from the indoor precise location server at the control center server and converting the accurate location location information of the plurality of users into a database.

According to the indoor location reference information generation system and method according to the present invention, by providing the indoor location reference information generated by integrating the indoor and outdoor location information, it is possible to more accurately grasp the indoor location, Etc.), and allows the user to conveniently grasp his / her location in an indoor building such as a large shopping mall or an airport.

In addition, through the multi-signal analysis, indoor reference location information including indoor spatial information, indoor / outdoor division flag, building name, floor information, and lake name of the indoor wall, stairs, hallway, door and the like can be grasped, Thereby improving the accuracy of the indoor location information.

With the present invention, it is possible to provide indoor and outdoor location assurance extensibility, indoor / outdoor accessibility, inter-floor location accuracy, and inter-floor location connectivity so that many people who spend most of their time indoors can easily .

1 is a diagram showing an outdoor signal and an indoor signal available in the prior art.
2A is a configuration diagram of a room location reference information generating system according to an embodiment of the present invention.
FIG. 3 is a table showing the accuracy of interior precision positioning according to the degree of accumulation of multiple signals according to an embodiment.
4 is a diagram illustrating a configuration of a room location reference information generation server according to an embodiment of the present invention.
5 shows a signal flow in the indoor position reference information generating system according to the embodiment of the present invention.
FIG. 6A is an example of a display for providing an outdoor map, an indoor map, and location information linked to indoor and outdoor according to an embodiment of the present invention.
6B to 6C are display examples of indoor precision information according to an embodiment of the present invention.
FIG. 7A is a diagram for explaining a process of detecting multiple composite signals according to an embodiment of the present invention. Referring to FIG.
FIG. 7B is an example of displaying inter-layer information and intra-room precision information of indoor precision information according to an embodiment of the present invention.
FIG. 7C shows an example of interlocking display of an indoor map other than an outdoor map and an indoor map of a floor according to an embodiment of the present invention.
FIG. 7D is a view for explaining the types of indoor position reference information and the effect of the indoor position reference information obtained through the embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like numbers refer to like elements throughout.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

The present invention analyzes multiple signals transmitted and received in a smart phone, various sensors, and an access point (AP), and obtains indoors position reference information including the number of floors, stairs, corridors, door positions, And an indoor location reference information generation system for providing the indoor location reference information. Therefore, not only the accuracy of the indoor positioning information is improved through the present invention, but also the indoor location reference information is provided together with the indoor positioning information, thereby enabling the user to quickly respond to an incident (for example, And allows the user to conveniently grasp his / her location in an indoor building such as a large shopping mall or an airport. In addition, it is possible to grasp indoor position reference information including indoor spatial information, indoor / outdoor classification flag, building name, floor information, and lake name, such as outer walls, stairs, corridors and doors, and improve XY coordinate accuracy using the obtained information .

In addition, indoor and outdoor positioning is ensured, indoor / outdoor accessibility, inter-floor location accuracy, and inter-floor location connectivity are provided, so that many people who spend most of their time indoors can conveniently locate in the room.

Accordingly, the indoor location reference information generation system and method proposed in the present invention can be used, for example, in a smart phone. However, the indoor precision positioning system and method of the present invention is not limited to a smart phone, and can be applied to various electronic devices capable of inputting keys and patterns and having a communication function.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a system and method for generating indoor reference information according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2A is a configuration diagram of a room location reference information generating system according to an embodiment of the present invention.

Referring to FIG. 2A, the indoor location reference information generation system includes at least one smart terminal 100, a signal transmission device, an indoor location reference information generation server 200, and a control center server 300 And the like.

The smart terminal 100 and the signal transmission device (not shown) transmit multiple composite signals including GPS (Global Positioning System), GLONASS (Global Navigation Satellite System) and Wifi signal for providing location information. The multiple composite signals are various communication signals transmitted from various sensors, APs, and smart terminals for communication of the smart terminals in the indoor area, the outdoor area, and the indoor / outdoor interworking area shown in FIG. 2B to FIG. 2C. For example, WIFI, RSSI, RTT, EDP, and SLAM may be used for multiple composite signals that are available in the indoor / outdoor interworking area and the indoor area, and include GPS, GLONASS, LTE, 3G, 2G, And the like. The above-described available multi-complex signals are generally examples of communication signals available in indoor and outdoor environments, and can be changed according to actual communication environments. In the embodiment, a multiplex signal of up to 40 dimensions is transmitted to the indoor precision positioning server 200, so that it is used for positioning in indoor and outdoor positions. In this case, the dimension may mean the number of signals to be analyzed and the like.

The indoor location reference information generation server 200 collects multiple composite signals for precise position positioning from a signal transmission device including a smart terminal, an indoor positioning sensor and an AP (Access Point), and generates indoor position reference information based on the collected multiple composite signals Real-time spatial information of the room is analyzed in real time, the precise position of the smart terminal holder is identified through the analysis result, and the precise position information and the indoor position reference information are provided to the smart terminal. The indoor location reference information generation server 200 may include a multiple signal collection server, a multi-signal analysis server, a real-time spatial analysis server, a multi-signal collection, an analysis database, an indoor spatial information database, , And is configured to exchange data with a database that is converted and stored.

The control center server 300 receives the precise location of the specific smart terminal holder from the indoor location reference information generation server 200 and converts the precise location information of the plurality of users into a database.

In addition, the control center server 300 receives the precise location of the smart terminal holder from the indoor location reference information generation server 200 and receives the precise location information of the place where an emergency occurs in the event of an emergency including fire and earthquake, To the reference information generation server 200, and provides the smart terminal user with the precise position information in which an emergency occurs.

FIG. 3 is a table showing the accuracy of interior precision positioning according to the degree of accumulation of multiple signals according to an embodiment.

 In the present invention, when a user's smart terminal transmits a multiplex signal of a user smartphone to an indoor location reference information generation server, the indoor location reference information generation server transmits the current accurate location information to the user smartphone. The accuracy or precision of location information can be influenced by the dimensions (number) of multiple signals, the building type, the number of smartphone multiple signals, and the user's spatial movement pattern.

4 is a diagram illustrating a configuration of a room location reference information generation server according to an embodiment of the present invention.

Referring to FIG. 4, the indoor location reference information generation server 200 may include a multiple signal collection module 210, a multiple signal analysis module 220, and a real time spatial analysis module 230.

The multiple signal acquisition module 210 collects indoor and outdoor available composite signals from smart terminals, sensors, and signal delivery devices for precise location positioning. For this, a communication unit 211 and a signal processing unit 213 may be included. The communication unit 211 receives various signals from the user's smart terminal, indoor and outdoor sensors and various signal transmission devices, and transmits the signals to the signal processing unit 213. The signal processing unit 213 performs a series of signal processing processes for grasping the precise position of the user using the input indoor / outdoor integrated positioning signals.

The multi-signal analysis module 220 analyzes the collected available composite signals to determine the precise location of the smart terminal holder. The multi-signal analysis module 220 may include a signal classifier 221, an operation unit 223, and a position detector 225.

The signal classifying unit 221 classifies the multiple composite signal received from the signal processor 213 into an indoor signal, an outdoor signal, and an indoor / outdoor interlocking signal. For example, the signal classifying unit 221 classifies the multiple composite signals received based on the type of the signal transmitting apparatus from which the multiple composite signals are output, according to the space, or multiplexes the multiple composite signals based on the signal data stored in the indoor spatial information database 240 Complex signals can be classified by space.

The operation unit 221 calculates the position of the smart device to which the multiple composite signals are transmitted and the separation distance from the smart terminal at a specific point by using the multiple composite signals classified by spaces in the signal classifier 221. In an embodiment, the operation unit 221 can calculate the position of the smart device and the distance of the distance of the smart device by calculating the intensity of the multi-complex signal classified by the 40-dimensional (40) spaces.

The position detector 225 detects the position of a smart device that transmits multiple composite signals based on the calculated distance information. In addition, the location detection unit 225 can detect the place where the smart terminal is located in the room by using the indoor space location information including the hallway, the wall, the stairs, the door, Precisely grasp.

The real-time space analysis module 230 generates indoor / outdoor inter-space information based on the collected available composite signals. For this, the real-time space analysis module 230 may include an outdoor space information generation unit 231, an indoor space information generation unit 233, and an indoor / outdoor interactive space information generation unit 235. The outdoor spatial information generating unit 231 links the outdoor spatial information with the detailed positions of the users located in the outdoor space via the GPS positioning position system and the indoor spatial information generating unit 233 generates indoor spatial information (For example, near a door, a specific area of a parking lot, a number of floors of a building, a corridor, a stair) and an indoor / outdoor classification flag, a building name, a floor information and a lake name Indoor reference position information is generated in real time. The indoor / outdoor interlocking space information generating unit 235 generates indoor / outdoor interlocking space information

The indoor space information is interlocked so that the user can grasp the precise information about the indoor position of the building at the specific location outdoors. For example, as shown in FIGS. 6A to 6C, when the user selects the location of the COEX mall on the outdoor map, the indoor detailed location information of the COAX mall connected to the COAX mall is displayed. 6A, the indoor location reference information includes a name of a room where the smart terminal holder is located, a detailed position including indoor location reference information including an outer wall, a door, a hall, a staircase, to be.

7C, the real-time spatial analysis module 230 interlocks the indoor map of the building included in the outdoor map, and provides the indoor-specific indoor spatial information through the indoor map do.

The indoor position reference information generating system according to the embodiment of the present invention generates and provides the indoor reference position information including the indoor precise position information, the indoor / outdoor classification flag, the building name, the floor information and the lake name, , Indoors and outline classification flags, building names, floor information, and lake names, are provided in a large complex building, a subway and an underground shopping mall, To provide indoor space information that is indispensable to users who spend time in the room indoors.

Hereinafter, the method of generating indoor position reference information according to the present invention will be described in order. Since the function (function) of the indoor position reference information generating method according to the present invention is essentially the same as the function on the indoor position reference information generating system, a description overlapping with FIGS. 1 to 4 will be omitted.

5 shows a signal flow in the indoor position reference information generating system according to the embodiment of the present invention.

Referring to FIG. 5, in step S100, the signal transmitting apparatus 100 transmits multiple composite signals. The signal transmission device includes a device for transmitting and receiving various electronic signals for communication such as a smart terminal, a sensor, and an access point.

In operation S200, the indoor location reference information generation server 200 performs a process of analyzing multiple composite signals. Then, in step S300, the indoor location reference information generation server 200 generates indoor reference information including indoor and outdoor precision positions, indoor / outdoor classification flag, building name, floor information, Identify information. According to the embodiment, as shown in FIG. 7A, the position of the smartphone (for example, the distance to the indoor entrance and the indoor precision position) is determined according to the distance that each smart terminal approached the decision server and the signal sensitivity sensed by the sensor do.

In step S400, the location information of the smart terminal user identified by the indoor location reference information generation server 200 is transmitted to the control center server 300. In step S500, the control center server stores the precise location information of the received user. The precise location includes the name of the building, the number of rooms, and the indoor space information including the outer wall, the entrance door, the hallway, and the stairs in which the smart terminal holder is located.

If an emergency situation occurs in the control center server 300 in step S600, the precision spatial information database and the outdoor precision space information database are interlocked to identify the precise position where the emergency occurred in step S700, The location information is transmitted to the indoor location reference information generation server in step S800. Then, in step S900, the indoor location reference information generation server transmits the precise location where the emergency situation occurred to the smartphone of the user so that the user can accurately and quickly grasp the emergency occurrence location.

The present invention analyzes multiple signals transmitted and received in a smart phone, various sensors, and an access point (AP), and obtains indoors position reference information including the number of floors, stairs, corridors, door positions, And an indoor location reference information generation system for providing the indoor location reference information. Accordingly, since the indoor and outdoor location information is integrally provided through the present invention, the user can quickly respond to an accident (for example, finding a lost child) occurring in the room, So that they can conveniently grasp their position. Further, through the multi-signal analysis, as shown in FIG. 7B, accurate spatial information of an indoor space such as an outer wall, a staircase, a corridor, a door, the number of layers, and interlayer connection information is grasped and positional information is provided through real- And improves the accuracy of indoor location information through information.

As shown in FIG. 7D, according to the embodiment of the present invention, it is possible to guarantee indoor and outdoor positioning and expandability, to provide indoor / outdoor accessibility, inter-floor location accuracy and inter-floor location connectivity, Many people who send can conveniently locate the room indoors.

 While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. And various alternatives, modifications, and alterations can be made within the scope.

Therefore, the embodiments described in the present invention and the accompanying drawings are intended to illustrate rather than limit the technical spirit of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments and accompanying drawings . The scope of protection of the present invention should be construed according to the claims, and all technical ideas within the scope of equivalents should be interpreted as being included in the scope of the present invention.

200: Indoor location reference information generation server 210: Multi-signal acquisition module
220: multiple signal analysis module 230: real time spatial analysis module

Claims (8)

In a precise localization system,
A smart terminal for transmitting multiple complex signals including GPS (Global Positioning System), Glonass, and WiFi signals for providing location information;
The method includes the steps of: performing precise positioning of the smart terminal through multiple composite signals of the smart terminal, the indoor location sensor, and a signal transmitting device including an access point (AP) An indoor location reference information generation server for generating indoor location reference information including floor number information, building number information and a lake name in real time and providing the indoor location reference information to the smart terminal together with the accurate location location information; And
A control center server for receiving the precise location and indoor location reference information of the specific smart terminal holder from the indoor location reference information generation server and converting the precise location location information and the indoor location reference information of the plurality of users into a database; Including the
The indoor location reference information generating server
A multi-signal acquisition module for collecting indoor and outdoor available composite signals from smart terminals, sensors, and signal transmission devices for precise location;
A multiple signal analysis module for analyzing the collected available composite signals to grasp the indoor location reference information of the smart terminal holder and to improve the XY coordinate accuracy using the detected indoor location reference information; And
Indoor / outdoor access connection information, indoor floor space information, and indoor / outdoor space information, which are indoor / outdoor space connection information, based on the collected available composite signals. When the user is outdoors, indoor / A real time spatial analysis module for providing spatial information; And
The multiple signal analysis module; silver
A signal classifying unit for classifying the indoor / outdoor available composite signal received from the multiple signal collecting module by a space including an indoor signal, an outdoor signal, and an indoor / outdoor interlocking signal based on the type of the signal transmitting equipment and the signal data stored in the indoor space information database;
The mobile terminal calculates a position of the smart terminal from which the multiple composite signals are transmitted and a separation distance from the smart terminal at a specific point, An arithmetic unit for improving the XY coordinate precision according to the dimension of the XY coordinate; And
The location of the smart terminal transmitting the multiple composite signals based on the calculated distance information is detected and the position of the smart terminal located in the room is detected more precisely using the indoor space location information stored in the indoor space information database And a detection unit for detecting the position of the object.
delete 2. The method of claim 1,
GPS / GLONASS, LTE, 3G, and WIFI signals.
2. The method according to claim 1,
And indoor space information including the name of the room, the number of rooms, exterior walls, doors, corridors, and stairs of the room where the smart terminal holder is located.
delete delete A method for generating indoor position reference information of an indoor position reference information generating system,
A) transmitting multiple composite signals including GPS (Global Positioning System), Glonass, and WiFi signals for providing location information in a smart terminal;
B) collecting multiple complex signals for indoor position reference information from the signal transmission device including the smart terminal, indoor position measurement sensor and AP (Access Point) at the indoor precision positioning server;
C) Real-time analysis of indoor and outdoor spatial information based on multiple composite signals collected from indoor precision location server and indoor location reference of smart terminal holders including indoor / outdoor classification flag, building name, building floor information, Providing the identified indoor location reference information to the smart terminal and the control center server by grasping the information; And
D) receiving the precise location of the specific smart terminal holder from the indoor precise location server at the control center server and converting the precise location information of the plurality of users into a database; Lt; / RTI >
The indoor position reference information
When the identified location is the indoor, the indoor space information including the name of the building, the number of floors, the interior door, the wall, the stairs, and the entrance path where the smart terminal holder is located, indoor / outdoor access connection information, indoor floor space location information, Indoor / outdoor interlocking space information including the indoor / outdoor interlocking space information of the selected building in the outdoor when the detected position is outdoors, and enhancing the XY coordinate accuracy using the precise location positioning information
Providing the identified indoor location reference information to the smart terminal and the control center server; The
Classifying the multiple composite signals by a space including an indoor signal, an outdoor signal, and an indoor / outdoor interlocking signal based on the type of the signal transmitting equipment and the signal data stored in the indoor space information database;
Acquires the position reference information using the classified signal,
The location of the smart terminal from which the composite signals are transmitted,
Calculating a separation distance from the terminal and improving the XY coordinate accuracy according to the dimension of the multiple signals that are the number of the classified signals; And
Detecting the location of the smart terminal transmitting the multiple composite signals based on the calculated distance information and more accurately grasping the location of the smart terminal in the room using the indoor space location information previously stored in the indoor space information database ; And generating the indoor position reference information.
delete
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KR102192697B1 (en) * 2019-10-31 2020-12-17 한국과학기술원 Method of classifying wireless lan signal collected through crowdsorcing in floor order and server performing this
KR102223319B1 (en) * 2019-11-21 2021-03-05 한국과학기술원 Method and system of gathering and using composite data for indoor location recognition through crowdsorcing

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KR20220022367A (en) * 2020-08-18 2022-02-25 주식회사 픽넘버 System for reserving and paying social network service and method thereof

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Publication number Priority date Publication date Assignee Title
JP2014235102A (en) 2013-06-03 2014-12-15 株式会社リコー Position estimation system and position estimation device

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Publication number Priority date Publication date Assignee Title
JP2014235102A (en) 2013-06-03 2014-12-15 株式会社リコー Position estimation system and position estimation device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102192697B1 (en) * 2019-10-31 2020-12-17 한국과학기술원 Method of classifying wireless lan signal collected through crowdsorcing in floor order and server performing this
KR102223319B1 (en) * 2019-11-21 2021-03-05 한국과학기술원 Method and system of gathering and using composite data for indoor location recognition through crowdsorcing

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