KR20110046224A - Indoor geolocation system - Google Patents

Indoor geolocation system Download PDF

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Publication number
KR20110046224A
KR20110046224A KR1020100011135A KR20100011135A KR20110046224A KR 20110046224 A KR20110046224 A KR 20110046224A KR 1020100011135 A KR1020100011135 A KR 1020100011135A KR 20100011135 A KR20100011135 A KR 20100011135A KR 20110046224 A KR20110046224 A KR 20110046224A
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KR
South Korea
Prior art keywords
location information
information
management
location
position information
Prior art date
Application number
KR1020100011135A
Other languages
Korean (ko)
Inventor
조광윤
Original Assignee
한국전자통신연구원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Priority to KR1020100011135A priority Critical patent/KR20110046224A/en
Publication of KR20110046224A publication Critical patent/KR20110046224A/en

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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
    • 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
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

PURPOSE: An indoor position information system is provided to supply a position information service with high accuracy indoors. CONSTITUTION: At least one position information transmitting device(100) is positioned at a specific position and transmits position information and management information corresponding to the specific position. A position information managing device(200) registers and manages the position information and the management information of the transmitting device. The receiving device calculates the current position information of a target based on the position information and the management information received from at least one position information transmitting device.

Description

Indoor Location Information System

The present invention relates to an indoor location information system.

The present invention is derived from a study conducted as part of the IT source technology development project of the Ministry of Knowledge Economy [Task Management No .: 2008-F-014-02, Title: Study of electromagnetic compatibility for the protection of U-social propagation environment].

The location information system is a system for measuring the position of a moving object using a plurality of GPS satellites (hereinafter referred to as "GPS"). Such a location information system includes a plurality of GPS satellites and a GPS receiver on a geostationary track. The GPS receiver receives a GPS signal including location information from a plurality of GPS satellites, and measures the position of the moving object based on the GPS signal.

However, since it is difficult to receive GPS signals from GPS satellites indoors, there is a problem in that the position cannot be measured in real time. Therefore, recently, a wireless repeater is installed indoors, and a method of measuring a location using indoor location information of the wireless repeater has been used, but there is a practical problem of installing a wireless repeater in various places in a building.

The technical problem to be achieved by the present invention is to provide an indoor location information system that accurately measures the location even in the room.

According to a feature of the present invention for achieving the above object, a system for calculating the location information of the target located in the room

At least one location information transmission device for transmitting location information and management information corresponding to a location where the location is located, and a location information management device for registering and managing location information and management information of each location information transmission device; And a location information receiver for calculating current location information of the target based on location information and management information received from the at least one location information sending device.

According to an embodiment of the present invention, the indoor location information system can realize an accurate location information service indoors.

In addition, the indoor location information system can provide information necessary for the management of the device in addition to the location information, and can use this to build an information network and management system for building management.

1 is a view schematically showing an indoor location information system according to an embodiment of the present invention.
2 is a view showing a location information sending device and a location information management device according to an embodiment of the present invention.
3 is a view showing a location information receiving apparatus according to an embodiment of the present invention.
4 is a diagram schematically illustrating a method of calculating indoor location information according to an embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise.

Hereinafter, an indoor location information system according to an embodiment of the present invention will be described in detail with reference to the drawings.

1 is a view schematically showing an indoor location information system according to an embodiment of the present invention.

Referring to FIG. 1, an indoor location information system includes at least one location information transmitting device 100, a location information managing device 200, and a location information receiving device 300.

The at least one location information transmitting device 100 is located at a specific point in the room, and transmits location information corresponding to the location. In this case, the location information may indicate a location at a specific point in the room as location coordinates, but is not limited thereto.

The indoor location information system according to the embodiment of the present invention may be installed at a place designated by national regulations, for example, a location having an emergency light, but not limited thereto. In addition, when the at least one location information transmitting device 100 is in a location where there is an emergency light, for example, management information corresponding to the state of the emergency light may be transmitted.

The location information management apparatus 200 registers and manages location information and management information corresponding to each location information transmitting device 100.

The location information receiving apparatus 300 calculates the current location information of the target based on the location information and the management information received from each location information transmitting device 100.

Conventional location information system can accurately calculate the position coordinates of the target based on the GPS signal outdoors, but it is impossible to track the position of the target in the GPS shadow area or indoors where GPS signals cannot be received.

However, in the indoor location information system according to the embodiment of the present invention, by installing at least one location information transmitting device indoors, the location of the target can be known based on the location information transmitted by the location information transmitting device.

Next, the configuration of the indoor location information system according to an embodiment of the present invention will be described in detail with reference to FIGS.

2 is a view showing a location information sending device and a location information management device according to an embodiment of the present invention. 3 is a view showing a location information receiving apparatus according to an embodiment of the present invention.

Referring to FIG. 2, the apparatus 100 for transmitting location information includes a first transceiver 110, an interface unit 120, and an information processor 130. In addition, the location information management apparatus 200 includes a connection unit 210 and the management unit 220.

The first transceiver 110 receives the information request signal to the location information receiving apparatus 300 and transmits location information and management information corresponding to the received information request signal.

The interface unit 120 accesses the location information management apparatus 200 and registers location information and management information.

The information processing unit 130 generates location information corresponding to the current location and generates management information corresponding to the state of the device on which the information processing unit 130 is installed.

The connection unit 210 communicates with the location information transmitting apparatus 100.

The management unit 220 registers and manages location information and management information corresponding to each location information transmitting device 100.

Referring to FIG. 3, the location information receiving apparatus 300 includes a second transceiver 310, a calculator 320, a location processor 330, and a display 340.

The second transceiver 310 requests location information from at least one location information transmitting device 100 and receives location information or management information corresponding to the request.

The calculation unit 320 calculates the position of the target based on the received position information.

The location processor 330 determines whether to transmit the calculated location of the target object to the display unit 340 or to the outside using a wireless terminal (not shown).

The display unit 340 provides the user with the calculated position of the target as sound, a signal, a picture, a text, and the like.

Next, the indoor location information calculation method according to an embodiment of the present invention will be described in detail with reference to FIG.

4 is a diagram schematically illustrating a method of calculating indoor location information according to an embodiment of the present invention.

First, the indoor location information system includes at least one location information transmitting device 100, a location information management device 200, and a location information receiving device 300. At this time, the at least one location information transmitting device 100 is located at each specific point in the room.

Referring to FIG. 4, each of the at least one location information transmitting device 100 inputs its own location information and management information to the location information management device 200 (S401). Here, the location information is information corresponding to the position where the location information transmitting device 100 itself is located, and the management information is information corresponding to a state of an emergency light, for example, a device on which it is installed.

The location information receiving apparatus 300 receives a request for location information of a target from a location information center (not shown) providing a location information service. At this time, the location information receiving apparatus 300 and the location information center communicate using a public network or a dedicated network. Then, the location information receiving apparatus 300 requests the corresponding location information and management information from the at least one location information transmitting device 100 (S402).

Each of the at least one location information transmitting device 100 transmits its location information and management information to the location information receiving device 300 in response to the request (S403). On the other hand, each of the at least one location information transmitting device 100 receives its own location information and management information at a time interval corresponding to a specific management rule when the information request from the location information receiving device 300 is not received. It sends out to the apparatus 300.

In addition, each of the at least one location information sending device 100 reports the location information and the management information to the location information management device 200 after sending the location information and management information (S404).

Next, the position information receiving apparatus 300 calculates the current position of the target based on the position information and the management information received from each position information transmitting apparatus 100 (S405).

The location information receiving apparatus 300 transmits the calculated location of the target object to the display unit 340 or provides the user with a wireless terminal (not shown) (S406).

Thus, the indoor location information system according to the embodiment of the present invention installs a location information transmitting device in a specific place, such as a device such as an emergency light of a building emergency exit, and also provides location information indoors based on location information of the point and management information of the device. Can be provided to the user.

The embodiments of the present invention described above are not only implemented by the apparatus and method but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded, The embodiments can be easily implemented by those skilled in the art from the description of the embodiments described above.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

Claims (1)

In the system for calculating the position information of a target located in the room,
At least one location information transmission device which is located at a specific location indoors and transmits location information and management information corresponding to the location,
A location information management device for registering and managing location information and management information of each location information transmitting device; and
Location information receiving device for calculating the current location information of the target based on the location information and management information received from the at least one location information sending device
Indoor location information system comprising a.
KR1020100011135A 2009-10-28 2010-02-05 Indoor geolocation system KR20110046224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100011135A KR20110046224A (en) 2009-10-28 2010-02-05 Indoor geolocation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090102850 2009-10-28
KR1020100011135A KR20110046224A (en) 2009-10-28 2010-02-05 Indoor geolocation system

Publications (1)

Publication Number Publication Date
KR20110046224A true KR20110046224A (en) 2011-05-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10849205B2 (en) 2015-10-14 2020-11-24 Current Lighting Solutions, Llc Luminaire having a beacon and a directional antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10849205B2 (en) 2015-10-14 2020-11-24 Current Lighting Solutions, Llc Luminaire having a beacon and a directional antenna

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