KR101757529B1 - Location Tracking Method and System using Mobile Beacon and Mobile Application - Google Patents

Location Tracking Method and System using Mobile Beacon and Mobile Application Download PDF

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Publication number
KR101757529B1
KR101757529B1 KR1020150057153A KR20150057153A KR101757529B1 KR 101757529 B1 KR101757529 B1 KR 101757529B1 KR 1020150057153 A KR1020150057153 A KR 1020150057153A KR 20150057153 A KR20150057153 A KR 20150057153A KR 101757529 B1 KR101757529 B1 KR 101757529B1
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South Korea
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mobile
beacon
location
information
mobile beacon
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KR1020150057153A
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Korean (ko)
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KR20160127198A (en
Inventor
진경원
김승일
유영희
이철호
이현준
한인규
이상진
임동빈
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에스케이 주식회사
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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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
    • 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
    • G08B21/0277—Communication between units on a local network, e.g. Bluetooth, piconet, zigbee, Wireless Personal Area Networks [WPAN]
    • 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
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Emergency Management (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

Mobile beacons and mobile application-based location tracking methods and systems are provided. A mobile beacon tracking method according to an exemplary embodiment of the present invention receives location information from a plurality of mobile terminals that have received a beacon signal from a mobile beacon and calculates and stores the position of the mobile beacon. Accordingly, unlike the existing mobile beacon service, the position and path of the mobile beacon can be grasped accurately, and the utility of the mobile beacon service can be improved.

Description

TECHNICAL FIELD The present invention relates to a location tracking method and system using a mobile beacon and a mobile application,

Field of the Invention [0002] The present invention relates to position / path tracking, and more particularly, to a method and system for determining a position / path of a tracking object using a beacon.

A service using a mobile beacon which has been used in beacon service and which has been removed from a fixed beacon has emerged. This service matches the mobile beacon placed in the child's bag with the mobile terminal of the parent, and the mobile terminal alerts the mobile beacon when the distance between the mobile beacon and the mobile terminal exceeds a certain distance.

In other words, it is a service that restricts the movement radius of the mobile beacon. It not only informs whether the mobile beacon is near or far away, but can not tell which direction the mobile beacon has moved or in which position it is currently located.

This is a problem that can seriously degrade the utility of services in an environment like a complex building, that is, a parent can only recognize that a child is missing, and there is a problem that does not know where to go and where to go.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a method for tracking a location / path of a mobile beacon using a plurality of mobile terminals located nearby, And a mobile beacon tracking method and system.

According to another aspect of the present invention, there is provided a mobile beacon tracking method comprising: receiving location information from a plurality of mobile terminals receiving a beacon signal from a mobile beacon; Calculating a location of the mobile beacon using the received location information; And storing the calculated position of the mobile beacon.

The mobile terminals may be mobile terminals carried by the subscribers of the service indicating the position of the mobile beacon.

In addition, the mobile terminals may execute a mobile application that transmits the location information in the background.

The mobile beacon may be mounted on an accessory worn by a person to be protected.

In addition, the location information may include a location of the mobile terminal and a distance between the mobile terminal and the mobile beacon.

The calculating step may calculate a position of the mobile beacon by selecting a specific number of position information from the position information in descending order of the distance and using the selected position information.

The receiving step may further receive the reception time of the beacon signal from the mobile terminals, and the calculating step may calculate the position of the mobile beacon using the position information in the same time zone.

The mobile beacon tracking method according to an embodiment of the present invention may further include requesting the mobile terminals to shorten the location information transmission period.

According to another aspect of the present invention, there is provided a mobile beacon tracking method comprising: identifying mobile terminals located in a search area; And requesting location information transmission to the identified mobile terminals.

According to another aspect of the present invention, there is provided a mobile beacon tracking system including: a communication unit for receiving location information from a plurality of mobile terminals that have received a beacon signal from a mobile beacon; A processor for calculating a position of the mobile beacon using positional information received through the communication unit; And a DB for storing the calculated position of the mobile beacon.

Meanwhile, according to another embodiment of the present invention, an application installed in a first mobile terminal receiving a beacon signal from a mobile beacon transmits location information of the first mobile terminal to a system for tracking the location of a mobile beacon ; And receiving, by the second mobile terminal, location information of the mobile beacon from the system.

Meanwhile, according to another embodiment of the present invention, a mobile terminal includes: a communication unit for communicating with a system for receiving a beacon signal from a mobile beacon and tracking a position of the mobile beacon; And a processor that, when receiving the beacon signal from the mobile beacon via the communication unit, transmits the location information of the mobile terminal to the system and executes the application to receive the location information of the mobile beacon from the system.

As described above, according to the embodiments of the present invention, the position and the path of the mobile beacon can be accurately grasped unlike the existing mobile beacon service, and the utility of the mobile beacon service can be improved.

In addition, according to embodiments of the present invention, it is possible to provide a service using mobile terminals of service subscribers, so that it is unnecessary to construct an infrastructure for a service, and in addition, an area where service subscribers carrying mobile terminals are located There is no practical limit to the coverage area, as it is possible to provide services anywhere.

In addition, according to the embodiments of the present invention, mobile beacons are installed in ordinary ornaments and are recognized as ornaments in appearance, and thus, they are very effective in crime response. The criminal will recognize this as a general ornamental rather than a mobile beacon and will not attempt to remove it.

Further, according to embodiments of the present invention, it is possible to request a mobile beacon search to mobile terminals located in a specific area when an emergency occurs, and to adjust the information transmission period necessary for mobile beacon search / tracking as needed , It is possible to respond quickly and appropriately to a dangerous situation.

Also, the method and system according to the embodiments of the present invention can be used for the public interest, and in this case, it is possible to drastically reduce social direct and indirect costs required for solving the abduction, disappearance, kidnapping, and the like.

Figure 1 illustrates a mobile beacon tracking system in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of the beacon tracking applications shown in FIG. 1 and the mobile terminals in which they are installed;
FIG. 3 is a flowchart provided for explaining an information transmission process by a beacon tracking application;
4 is a table illustrating information transmitted by the beacon tracking application to the control system in an actual beacon tracking system,
Fig. 5 is a detailed block diagram of the control system shown in Fig. 1,
Figure 6 is a flow chart provided in the description of the mobile beacon location / path tracking process;
7 is a diagram illustrating a result of arranging information on mobile beacons based on a beacon signal reception date and time,
8 is a diagram showing a result of selecting information to be used for calculating the position of a mobile beacon,
Figure 9 is a flow chart provided in the description of the intensive tracking process of the mobile beacon (B)
Figure 10 is a flow chart provided in the description of a region-limited mobile beacon discovery method.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1. Mobile Beacon  Tracking Service System

1 is a diagram illustrating a mobile beacon tracking system according to an embodiment of the present invention. 1, a mobile beacon tracking service system (hereinafter abbreviated as a 'beacon tracking system') according to an embodiment of the present invention includes a mobile beacon B, a beacon tracking application 150-1, 2, 3) and a control system 200.

1 shows only one mobile beacon B and three beacon tracking applications 150-1, 2 and 3 for convenience of illustration and explanation. It should be noted that the number of these is actually much larger than that shown in FIG.

The mobile beacon (B) is mounted on accessory (necklace, bracelet, badge, watch, belt, etc.) worn on the person to be protected (infant, As shown in FIG. 1, the mobile beacon B broadcasts a beacon signal, and the beacon signal includes a unique number of the mobile beacon B.

The beacon tracing applications 150-1,2,3 measure the strength of the beacon signal received from the mobile beacon B and calculate the distance to the mobile beacon B. [ Then, the beacon tracking applications 150-1, 2, 3 transmit the following information to the control system 200.

1) the unique number of the mobile beacon (B) contained in the beacon signal

2) location information of the mobile terminal in which the beacon tracing application 150-1, 2 or 3 is installed

3) Distance to the mobile beacon (B)

4) Beacon signal reception date and time (date & time)

The beacon tracing application 150 may be produced as a dedicated application for providing only a beacon tracking function or may be installed in an application designed for other services.

For example, a beacon tracking application 150 may be installed on an application that provides a map service, an application that provides a navigation service, and the like so that a beacon tracking service is additionally provided. In this case, it is apparently identical to a commercial application, but may serve as a beacon tracking application 150 used in embodiments of the present invention.

The control system 200 is a system for tracking the location / path of the mobile beacon B. The control system 200 uses the information received from the beacon tracking applications 150-1, 2 and 3 to determine the location and path of the mobile beacon B through the triangulation technique.

As shown in FIG. 1, the mobile beacon and the beacon tracking application are matched 1: n instead of 1: 1. And, since there are several mobile beacons in the actual beacon tracking system, the matching of the mobile beacon to the beacon tracking application is m: n.

2. Mobile Beacon  Sending information for tracking

The beacon tracing applications 150-1, 2, 3 shown in FIG. 1 and the mobile terminals on which they are installed will be described in detail with reference to FIG. Since the structure of the beacon tracking applications 150-1,2,3 is the same as that of the mobile terminals, only the block diagram for one mobile terminal 100 is shown in FIG. 2, and the beacon tracking applications 150-1,2 , 3) are collectively referred to as a beacon tracing application (150).

The mobile terminal 100 includes a communication unit 110, a touch screen 120, a processor 130, a storage unit 140, and a beacon tracking application 150, as shown in FIG.

The communication unit 110 supports various communications such as mobile communication, Bluetooth, WiFi, and GPS communication. The touch screen 120 functions as a display on which information is displayed and as an input means for inputting a user command.

The processor 130 controls the overall operation of the mobile terminal 100 and executes the beacon tracking application 150. The storage unit 140 provides a storage space required for the beacon tracking application 150 to be executed.

The beacon tracing application 150 performs an information transfer function that must be performed by the mobile terminal 100 for the mobile beacon tracking service, and this process is shown in detail in FIG. 3 is a flow chart provided for explanation of the information transmission process by the beacon tracing application 150. FIG.

As shown in FIG. 3, in order to transmit information required for the mobile beacon tracking service, the processor 130 first determines whether the beacon tracking application 150 is installed (S305). If it is determined that it is not installed (S305-N), the processor 130 downloads and installs the beacon tracking application 150 (S310).

When the processor 130 executes the beacon tracking application 150 in the background (S315), the executed beacon tracking application 150 checks whether the Bluetooth function is on (S320). If the Bluetooth function is in the Off state (S320-N), the Bluetooth function of the communication unit 110 is turned on in response to the user's agreement (S325).

Since beacon signal transmission and reception of the mobile beacon B is performed based on Bluetooth 4.0, steps S320 and S325 are required.

Next, when a beacon signal is received from the mobile beacon B (S330-Y), the beacon tracing application 150 recognizes the beacon signal reception date and time (date & time) (S335) Is extracted (S340).

The beacon signal reception date and time in step S335 may be determined using the internal timer of the processor 130, but it is also possible to grasp the beacon signal using the standard time information included in the GPS signal.

Also, the beacon tracing application 150 calculates the distance from the beacon B to the mobile beacon B from the intensity of the beacon signal (S345), and obtains the current position of the mobile terminal 100 (S350).

In step S350, the beacon tracking application 150 can selectively use the mobile communication function, the Bluetooth function, the WiFi function, and the GPS communication function of the communication unit 110. [

Next, the beacon tracing application 150 transmits the unique number of the mobile beacon B, the location information of the mobile terminal 100, the distance to the mobile beacon B, Date and time are transmitted (S355).

Steps S330 to S355 are repeated at predetermined time intervals (S360). That is, the information transmission continues periodically with the lapse of time. Here, the predetermined time may be the beacon signal transmission period of the mobile beacon B or the beacon signal collection period of the beacon tracing application 150.

4 is a table illustrating information that beacon tracking application 150 sends to control system 200 in an actual beacon tracking system.

In an actual beacon tracing system, since there are a plurality of mobile beacons B, the beacon tracing application 150 receives beacon signals from various mobile beacons (B). Accordingly, in FIG. 4, the beacon tracking application 150 generates a beacon signal from the mobile beacons B whose unique numbers are "A00001", "A00002", "A00003", "A00004", "A00005", "A00006" And the corresponding information is transmitted to the control system 200. In this case,

3. Mobile Beacon  Identify location / route

5 is a detailed block diagram of the control system 200 shown in FIG. The control system 200 includes a communication unit 210, a processor 220 and a DB 230, as shown in Fig.

The communication unit 210 communicates with a plurality of mobile terminals 100 in which the beacon tracing application 150 is installed to collect information from a plurality of beacon tracking applications 150.

The processor 220 stores the information collected through the communication unit 210 in the DB 230 and grasps the location of the mobile beacon B using the information stored in the DB 230. [

The positioning process of the mobile beacon B by the processor 220 is shown in FIG. Figure 6 is a flow chart provided in the description of the mobile beacon location / path tracking process.

As shown in FIG. 6, the processor 220 of the control system 200 selects a mobile beacon B to track the location / path (S410). In step S410, the mobile beacon B is selected according to an administrator's command or a request from the mobile terminal 100. [

The processor 220 aligns the information on the mobile beacon B selected in step S410 stored in the DB 230 based on the beacon signal reception date and time in step S420. In step S410, the mobile beacon B having the unique number "A00001" is selected, and information on the mobile beacon B is sorted in step S420.

Next, the processor 220 calculates the location of the mobile beacon B using three pieces of information having a short distance from the mobile beacon B among the information of the same time zone (S430). Using only a part of the collected information is to increase the accuracy of the position calculation.

On the other hand, the number of information to be used does not necessarily have to be three. It is also possible to implement four or more pieces of information.

Specifically, as shown in FIG. 8, in step S430, only the three pieces of information (hatched information) are used in the shortest distance from the mobile beacon B. The shorter the distance, the more accurate the information, so the information is selected based on the distance from the beacon (B).

The location calculation of the mobile beacon (B) is based on the triangulation method using the 'location information of the mobile terminals' and the 'distances between the mobile beacons' included in the selected three pieces of information.

Thereafter, the processor 220 stores the location information of the mobile beacon B calculated in step S430 in the DB 230 (S440).

Steps S430 and S440 are also performed for other time zones (S450), whereby the path of the mobile beacon B (positional change according to time zone) is stored in the DB 230. [ Steps S410 through S450 are also performed for other mobile beacons (S460), thereby storing all the paths of the mobile beacons in the DB 230. [

4. Mobile Beacon  Focus tracking

The process of intensively tracking the mobile beacon B possessed by the person to be protected will be described in detail with reference to FIG. 9 in the case where a risk has occurred in the protected person (lost or abducted).

9, when the risk occurrence is received from the mobile terminal of the guardian (S510), the processor 220 of the control system 200 determines the location of the mobile beacon B held by the protected person / Path information in the DB 230 (S520).

The processor 220 provides the location / path information of the mobile beacon B found in step S520 to the mobile terminal of the protector (S530). The information provision in the step S530 is possible not only on the mobile terminal of the guardian but also on a web page.

Meanwhile, the processor 220 recognizes the mobile terminals receiving the beacon signal of the mobile beacon B to be tracked from the information stored in the DB 230 (S540), and shortens the information transmission period to the identified mobile terminals (S550).

Step S550 is performed to more intensively track the location / path of the mobile beacon B possessed by the person to be protected having a risk.

Steps S520 to S550 continue until the cancellation of risk occurrence is received (S560). When the mobile beacon B to be tracked moves, the mobile terminals receiving the beacon signal from the mobile beacon B will also be changed, and steps S540 and S550 must be repeated until the cancellation of the risk is accepted.

Meanwhile, when the risk release is received (S560-Y), the processor 220 requests the mobile terminals to restore the information transfer cycle to the original state (S570). And to reduce power consumption in the mobile terminals in the case where the risk occurrence is canceled.

5. Mobile Beacon  quest

Up to now, it has been assumed that the reception of beacon signals by the beacon tracking application 150 and the transmission of information to the control system 200 are always performed. However, in this case, the mobile terminal 100 consumes a lot of power.

Accordingly, it is possible to limit the reception of the beacon signal and the transmission of information by the beacon tracking application 150 only when necessary, and this will be described in detail with reference to FIG. Figure 10 is a flow chart provided in the description of a region-limited mobile beacon discovery method.

10, the processor 220 of the control system 200 periodically receives location information from the mobile terminals 100 (S605), and stores the received location information in the DB 230 ( S610).

The location information received / stored in step S605 / S610 refers only to the location information of the mobile terminal 100. Therefore, since the mobile terminal does not have to receive the beacon signal, the power consumption is not so large.

Next, when the risk occurrence is received from the mobile terminal of the guardian (S615-Y), the processor 220 refers to the location information stored in the step S610 to identify the mobile terminals located in the dangerous area (S620).

In step S625, the processor 220 requests the mobile terminals identified in step S620 to transmit information necessary for grasping the location / path of the mobile beacon B possessed by the protected object received the risk occurrence. The information requested to be transmitted in step S625 is the unique number of the mobile beacon B, the location information of the mobile terminal 100, the distance to the mobile beacon B, and the reception date and time.

The processor 220 then stores information received in response to the request in step S625 in the DB 230 in step S630 and searches the DB 230 for location / path information of the mobile beacon B S635). Then, the processor 220 provides the location / path information of the mobile beacon B found in step S635 to the mobile terminal of the guardian (S640).

The processor 220 identifies the mobile terminals that received the beacon signal of the mobile beacon B to be tracked from the information stored in the DB 230 in operation S645 and transmits the beacon signal to the mobile terminals (S650). Steps S630 to S650 are continued until the cancellation of risk occurrence is received (S655).

When the risk release is received (S655-Y), the processor 220 requests the mobile terminals to stop transmitting the information (S660).

On the other hand, if the location / path of the mobile beacon B possessed by the protected person having received the risk occurrence is not found in step S635, the processor 220 may extend the dangerous area to the surrounding area or change it to another area , And attempts to collect information from other mobile terminals.

6. Variation example

Up to now, a method and system for tracking the location / path of a protected object using mobile beacons and mobile applications have been described in detail with preferred embodiments.

In the above embodiment, the mobile beacon is assumed to be mounted on the ornaments and worn on the protection target to track the position / path of the protection target. However, it is also possible to track a location / route by attaching a mobile beacon to an animal or object in addition to a person.

Also, the mobile terminals receiving the beacon signal from the mobile beacon and transmitting the information to the control system are the mobile terminals carried by the mobile beacon tracking service subscribers. That is, the service subscribers are provided with location / route information for the protected persons protected by the service subscribers, and assisted in tracking the location / route for the protected persons protected by other service subscribers, thereby completing the overall service. Therefore, the more service subscribers, the stronger the service coverage and satisfaction.

On the other hand, service subscribers require consent to provide their location information and mobile terminal information, which can be done in conjunction with service subscription or installation of a beacon tracking application.

It goes without saying that the technical idea of the present invention can also be applied to a computer-readable recording medium having a computer program for performing the functions of the apparatus and method according to the present embodiment. In addition, the technical idea according to various embodiments of the present invention may be embodied in computer-readable code form recorded on a computer-readable recording medium. The computer-readable recording medium is any data storage device that can be read by a computer and can store data. For example, the computer-readable recording medium may be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical disk, a hard disk drive, or the like. In addition, the computer readable code or program stored in the computer readable recording medium may be transmitted through a network connected between the computers.

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, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.

B: Mobile beacon
100: mobile terminal
150-1,2,3: Beacon Tracking Application
200: Control system

Claims (12)

Receiving a plurality of location information from a plurality of mobile terminals receiving a beacon signal from a mobile beacon without a location calculation function;
Calculating a location of the mobile beacon using the received plurality of location information; And
And storing the calculated position of the mobile beacon,
The plurality of location information may include:
'Location of the mobile terminal' and 'distance of the mobile terminal and the mobile beacon'
Wherein,
Selecting a specific number of pieces of positional information in descending order of the distance from the plurality of pieces of positional information, calculating the position of the mobile beacon using the selected positional information,
Wherein the receiving step comprises:
Further receiving reception times of the beacon signal from the mobile terminals,
Wherein,
Calculates a position of the mobile beacon using a plurality of pieces of position information in the same time zone,
The mobile terminals,
Wherein the mobile beacons are mobile terminals carried by subscribers of a service that informs the location of the mobile beacon.
delete The method according to claim 1,
The mobile terminals,
And a mobile application that transmits the location information is executed in the background.
The method according to claim 1,
The mobile beacon includes:
Wherein the mobile beacon tracking method is mounted on an accessory worn by a person to be protected.
delete delete delete The method according to claim 1,
Further comprising: after the storing step, requesting the mobile terminals to shorten the location information transmission period.
The method according to claim 1,
Identifying the mobile terminals located in the search area prior to the receiving step; And
And requesting the identified mobile terminals to transmit location information before the receiving step.
A communication unit for receiving a plurality of pieces of location information from a plurality of mobile terminals receiving a beacon signal from a mobile beacon having no location calculation function;
A processor for calculating a location of the mobile beacon using a plurality of location information received through the communication unit; And
And a DB for storing the calculated position of the mobile beacon,
The plurality of location information may include:
'Location of the mobile terminal' and 'distance of the mobile terminal and the mobile beacon'
The processor comprising:
Selecting a specific number of pieces of positional information in descending order of the distance from the plurality of pieces of positional information, calculating the position of the mobile beacon using the selected positional information,
Wherein,
Further receiving reception times of the beacon signal from the mobile terminals,
The processor comprising:
Calculates a position of the mobile beacon using a plurality of pieces of position information in the same time zone,
The mobile terminals,
Wherein the mobile beacon tracking system is a mobile terminal carried by a subscriber of a service that informs the location of the mobile beacon.
delete In a mobile terminal,
A communication unit for communicating with a system for receiving a beacon signal from a mobile beacon without a location calculation function and tracking a location of the mobile beacon; And
And a processor that, when receiving a beacon signal from the mobile beacon through the communication unit, transmits the position information of the mobile terminal to the system and executes the application that receives the position information of the mobile beacon from the system,
The location information may include,
'Location of the mobile terminal' and 'distance of the mobile terminal and the mobile beacon'
The system comprises:
Selecting a specific number of positional information in descending order of the plurality of positional information received from a plurality of mobile terminals including the mobile terminal, calculating the position of the mobile beacon using the selected positional information,
Further receiving the beacon signal reception times from the plurality of mobile terminals, calculating the position of the mobile beacon using a plurality of position information in the same time zone,
The mobile terminals,
Wherein the mobile terminal is a mobile terminal carried by subscribers of a service that informs the location of the mobile beacon.
KR1020150057153A 2015-04-23 2015-04-23 Location Tracking Method and System using Mobile Beacon and Mobile Application KR101757529B1 (en)

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