KR20130143155A - Position tracking system using led visible light communication - Google Patents

Position tracking system using led visible light communication Download PDF

Info

Publication number
KR20130143155A
KR20130143155A KR1020120065305A KR20120065305A KR20130143155A KR 20130143155 A KR20130143155 A KR 20130143155A KR 1020120065305 A KR1020120065305 A KR 1020120065305A KR 20120065305 A KR20120065305 A KR 20120065305A KR 20130143155 A KR20130143155 A KR 20130143155A
Authority
KR
South Korea
Prior art keywords
led
tag
receiver
visible light
location tracking
Prior art date
Application number
KR1020120065305A
Other languages
Korean (ko)
Inventor
하찬호
Original Assignee
현대중공업 주식회사
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.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020120065305A priority Critical patent/KR20130143155A/en
Publication of KR20130143155A publication Critical patent/KR20130143155A/en

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10118—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step
    • G06K7/10128—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/116—Visible light communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Communication System (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The present invention relates to a location tracking system, and more particularly, to a location tracking system using the LED visible light communication that can track the position of the goods, such as pallets (blocks), blocks, etc. in the shipbuilding plant using LED visible light communication will be.
To this end, the present invention is based on an LED tag for transmitting a tag ID, an LED receiver for transmitting the receiver ID and the tag ID when receiving the tag ID, and based on the receiver ID and the tag ID received from the LED receiver. And a location tracking server for calculating a current location and a movement path of the article, wherein the LED tag and the LED receiver perform data communication using visible light communication. do.

Description

Position tracking system using LED visible light communication

The present invention relates to a location tracking system, and more particularly, to a location tracking system using the LED visible light communication that can track the position of the goods, such as pallets (blocks), blocks, etc. in the shipbuilding plant using LED visible light communication will be.

Recently, with the development of information and communication technology, a system for tracking the location of goods such as pallets and blocks in a ship building factory to quickly grasp the movement path of goods and to efficiently use the yard area has been developed.

In the conventional RFID-based location tracking system (Korea Patent No. 10-0914161), as shown in FIG. 1, the locators 101 to 104 provided on the path where the RFID tag is located or moved, the locators Location tag 200 for receiving locator ID and output level information from 101 to 104, adding received intensity information to the locator ID and output level information, and locator ID, output level and received intensity information. By using the article management server 500 to generate the location information of the location tag 200 by using.

However, the location tracking system using RFID (Radio Frequency Identfication) is too short a recognition distance of the RFID tag, there is a fear that a large number of articles are not recognized when moving.

In addition, investment in additional infrastructure is high and maintenance is difficult, such as rebalancing due to changes in the surrounding environment.

Korea Patent Registration No. 10-0914161 (2009.08.20)

The problem to be solved of the present invention is to improve the recognition distance of the article, and to provide a location tracking system using the LED visible light communication excellent in recognition power even when a plurality of articles are recognized.

Another problem to be solved by the present invention is to provide a location tracking system using LED visible light communication with low investment cost and easy maintenance.

In order to achieve the above-mentioned problem, the present invention provides an LED tag for transmitting a tag ID, an LED receiver for transmitting the receiver ID and the tag ID when receiving the tag ID, and the received from the LED receiver. And a location tracking server for calculating a current location and a movement path of the article based on the receiver ID and the tag ID, wherein the LED tag and the LED receiver perform data communication using visible light communication. Provide a location tracking system using communication.

Here, the LED receiver may perform data communication using the location tracking server and power line communication.

In addition, the LED tag preferably transmits the tag ID periodically upon receiving the receiver ID.

Referring to the effect of the location tracking system using the LED visible light communication according to the present invention.

First, by identifying the position of the article using the LED visible light communication, there is an advantage that the recognition distance of the article is improved, and the recognition power is excellent even when a plurality of articles are recognized.

Second, since the existing lighting infrastructure can be used as it is, the investment cost for additional infrastructure construction is low and maintenance is easy.

Third, there is an advantage that the yard area can be efficiently used by quickly grasping the movement path of the article.

1 is an overall configuration diagram of a conventional RFID-based location tracking system
2 is a block diagram of a location tracking system using the LED visible light communication according to an embodiment of the present invention
3 is a control flowchart of a location tracking system using LED visible light communication according to an embodiment of the present invention.

Visible light communication technology is a technology that enables the communication using the infrastructure that the light such as incandescent bulbs and fluorescent lamps are replaced by LED (Light Emitting Diode) lighting by digital semiconductor, which can be used as a communication light source.

Visible light communication has a wavelength from 780nm to 380nm, and converting this wavelength to frequency ranges from 385 THz to 789 THz (frequency band = speed of light (300,000,000m) / wavelength (380 × 1000)). Audio) Frequency bands range from 20 Hz to 20,000 Hz, including IrDA using infrared wavelengths, IEEE 802.11n at 2.4 Hz, UWB, 802.15.4 Zigbee, Bluetooth, and IEEE802.15-3c at 60 GHz. Uses the most similar wavelength to IrDA, which uses 800-900nm, but it is characterized by its ability to communicate simultaneously with lighting.

Fluorescent lamps currently in use are made of materials that destroy nature, while LEDs (Light Emitting Diodes) are more environmentally friendly, and are expected to expand to all areas with 90% power savings and longer lifetimes.

Although LED lighting has a higher unit price than conventional lighting, the field of application has been applied to a small scale, but existing incandescent and fluorescent lamps are rapidly spreading to LED lighting due to a drop in LED prices and environmental pollution.

Due to the proliferation of LED lighting, it is expected to be applied to various fields by integrating communication with the lighting infrastructure base.

Based on the analysis of RF wireless positioning technology using LED, the theoretical visible light communication positioning service model is established and general requirements and standards are examined. R & D is working on the method of positioning in LED and individual LED of LED array constituting LED lighting with different modulation technology or data and precise positioning to mm range by using Photonics Diode Array as light receiving element.

In addition, in the shipbuilding field, various efforts are being made to replace existing lamps with LEDs, and they are expected to be gradually replaced by LEDs, and it contributes to cost reduction by minimizing various cable wirings for communication in ships by combining lighting and communication. Since there is always lighting on the copper wire, it is expected to achieve maximum effect at minimum cost by implementing worker safety and location tracking system using LED lighting.

In addition, humans do not recognize their eyes when blinking more than 100 times per second, so they can communicate data without affecting humans at all while being faithful to the function of lighting. It can be used in various fields such as safety, high precision positioning or light sensor communication device.

Hereinafter, an embodiment of a location tracking system using LED visible light communication according to the present invention will be described with reference to the accompanying drawings.

2 and 3, a location tracking system using LED visible light communication according to an embodiment of the present invention will be described. The location tracking system using the LED visible light communication according to the present embodiment includes an LED tag 100, an LED receiver 200, and a location tracking server 300.

The LED tag 100 stores a tag ID (identification number unique to the article) and is installed on an article such as a block or a pallet. At this time, the LED tag 100 is preferably installed on the top of the article.

The LED tag 100 periodically transmits the tag ID to the LED receiver 200 through visible light communication, and transmits the tag ID at intervals of 10 to 30 seconds using an internal battery.

The LED tag 100 transmits a tag ID to the LED receiver 200 when receiving a receiver ID (a unique identification number) from the LED receiver 200 to minimize battery consumption.

The LED tag 100 is provided with a charging module for charging the battery, the charging module is preferably a wireless charging module that is wirelessly charged.

The LED receiver 200 has a communication function using an illumination function and LED visible light communication. In other words, it is a lighting device and a communication device.

The LED receiver 200 periodically transmits a receiver ID using visible light communication.

When the LED receiver 200 receives a tag ID from the LED tag 100, the LED receiver 200 transmits the receiver ID and the tag ID to the location tracking server 300. In this case, the LED receiver 200 may transmit and receive data by performing power line communication with the location tracking server 300.

The location tracking server 300 receives the receiver ID and the tag ID transmitted from the LED receiver 200, calculates the location of the article, and displays the location in real time. At this time, the position of the article may be displayed relative to the coordinates of the LED receiver 200.

Therefore, it is possible to easily grasp the current position and the movement path of the article.

Referring to FIG. 3, a control method of a location tracking system using LED visible light communication according to the present invention will be described.

 First, the LED receiver 200 periodically transmits the receiver ID.

Next, the LED tag 100 receiving the receiver ID transmits a tag ID to the LED receiver 200.

Next, the LED receiver 200 transmits the receiver ID and the tag ID to the location tracking server 300.

Next, the location tracking server 300 calculates and displays the current location and movement path of the article in real time using the receiver ID and the tag ID.

Therefore, it is possible to quickly grasp the position of the article and efficiently use the yard area.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that

100: LED tag 200: LED receiver
300: location tracking server

Claims (3)

LED tag for transmitting the tag ID;
An LED receiver which transmits the receiver ID and the tag ID upon receiving the tag ID; and
It includes a location tracking server for calculating the current position and the movement path of the article based on the receiver ID and the tag ID received from the LED receiver,
The LED tag and the LED receiver is a location tracking system using the LED visible light communication, characterized in that for performing data communication using visible light communication.
The method according to claim 1,
The LED receiver is a location tracking system using the LED visible light communication, characterized in that for performing the data communication using the location tracking server and power line communication.
The method according to claim 1 or 2,
The LED tag is a location tracking system using the LED visible light communication, characterized in that for transmitting the tag ID periodically receiving the receiver ID.
KR1020120065305A 2012-06-19 2012-06-19 Position tracking system using led visible light communication KR20130143155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120065305A KR20130143155A (en) 2012-06-19 2012-06-19 Position tracking system using led visible light communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120065305A KR20130143155A (en) 2012-06-19 2012-06-19 Position tracking system using led visible light communication

Publications (1)

Publication Number Publication Date
KR20130143155A true KR20130143155A (en) 2013-12-31

Family

ID=49986441

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120065305A KR20130143155A (en) 2012-06-19 2012-06-19 Position tracking system using led visible light communication

Country Status (1)

Country Link
KR (1) KR20130143155A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744088A (en) * 2014-01-17 2014-04-23 清华大学 Target positioning and tracking system based on visible light communication and CCRs (Cube Corner Retro-reflectors)
WO2018089349A1 (en) * 2016-11-08 2018-05-17 Invue Security Products Inc. Systems and methods for acquiring data from articles of merchandise on display
CN114460590A (en) * 2022-04-13 2022-05-10 南昌大学 Third-party object detection and positioning method and system, storage medium and electronic equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744088A (en) * 2014-01-17 2014-04-23 清华大学 Target positioning and tracking system based on visible light communication and CCRs (Cube Corner Retro-reflectors)
WO2018089349A1 (en) * 2016-11-08 2018-05-17 Invue Security Products Inc. Systems and methods for acquiring data from articles of merchandise on display
US11574531B2 (en) 2016-11-08 2023-02-07 InVue Secuirty Products Inc. Systems and methods for acquiring data from articles of merchandise on display
US20230186739A1 (en) * 2016-11-08 2023-06-15 Invue Security Products Inc. Systems and methods for acquiring data from articles of merchandise on display
CN114460590A (en) * 2022-04-13 2022-05-10 南昌大学 Third-party object detection and positioning method and system, storage medium and electronic equipment
CN114460590B (en) * 2022-04-13 2022-06-24 南昌大学 Third-party object detection and positioning method and system, storage medium and electronic equipment

Similar Documents

Publication Publication Date Title
EP2753153B1 (en) Light-based system for personal objects identification
KR102438466B1 (en) How to place an electronic price indicator in the retail area
WO2009029960A3 (en) Wireless light bulb
CN104463275A (en) Visual RFID locating system and method based on LEDs
JPWO2006001237A1 (en) Article position management system, article position management method, terminal device, server, and article position management program
MX339485B (en) Electronic price label system and method.
JP2013257212A (en) Light device, communication device and positional information management system
KR20130143155A (en) Position tracking system using led visible light communication
CN105117752B (en) A kind of ESL system based on Bluetooth technology
CN103279780A (en) RFID article positioning device based on RSSI weighing algorithm
WO2017020611A1 (en) Tag location determination system, method, device, and optical tag
Turan et al. Visible light communications in industrial internet of things (IIOT)
RU2010100784A (en) MOBILE OBJECTS MONITORING SYSTEM
CN106033553A (en) Article checking system and article checking and processing method and device
Park et al. Electronic shelf label system employing a visible light identification link
CN207965952U (en) A kind of Picking System
KR20130140928A (en) Worker monitoring system using led visible light communication
KR20140011501A (en) Visible light communication system using power line modem for ships
JP5924988B2 (en) Electronic shelf label system, electronic shelf label terminal, and shelf label control device
TW201612824A (en) Marketplace goods service and management system and method thereof
Pham et al. VLC-based smart supermarket (SMARTKet): Key concepts and enabling technologies
US11125427B2 (en) Systems and methods for using a hybrid lighting and inventory system for motion detection
EP3772238A1 (en) Luminaire
Kocharoen Visible light communication: importance and Thai preparations
CN203414967U (en) An article positioning apparatus based on RFID

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination