ITRI LED VLC and Indoor

Positioning Technology

ITRI/ICL DarZu Hsu

2015.12

2

http://technologies.cttc.es/m2m/technology-transfer/visions/

http://jonatasmattes.blogspot.tw/2013/06/lifi-alternative-to-wifi.html

LED VLC for Communication & Indoor Positioning

Visible Light Communication Integrated Communication and

Lighting High Security for Network High Accurate Indoor Positioning Green and Cost-effective No EMI License-Free

You Are Here

Visible Light Communication (VLC)

Using LED Light to Achieve Data Transmission

LED Light 1 0 1 0 1 0 1

3

Hospital

Shopping Mall

Office Home

Store Outdoor Advertising

Vehicle to Vehicle

Airplane

VLC Applications

Underwater Communication

Exhibition

4

Fraunhofer/HHI

1Gbps VLC

UK PureLiFi

10Mbps via USB

Battery

VLC TRx

EPSRC's UP-VLC Project (University of Edinburgh/Cambridge/Oxford)

Real-Time124Mbps Offline3Gbps over 5cm

High Power LED

VLC TRx

Worldwide Development of VLC

Enter the Hypermarket VLC APP Navigation & Coupon

Find the Product

Philips / Acuity (Bytelight) developed VLC LBS technology and built some field trials

5

ITRI Real-Time Broadband VLC Transceiver

LED Lighting Side

Client Side

100Mbps

3 m

6

Visible Receiver

IR Emitter

Angle adjustment

17.5mm

30mm

PD + aspherical Fresnel lens

VLC USB Dongle

lens

PD

PD + aspheric lens

28mm

30mm

VLC Transceiver

Broadband VLC USB Dongle

7

Secure Meeting Room Communication Application

Transfer broadband VLC technology to local conference system company

Provide wireless communication Avoid wiring troublesome

Support secure wireless transmission

Phosphor LED

PIN Rx

AFEDSP

EthernetLED Lighting Side

Microphone Unit

數位無線會議主機

桌上型圖型會議控制軟體平台

IR LED

PIN Rx

Lens AFE DSP

行動式圖型會議控制軟體平台

中央控制主機

This Work

VLC Client Module

Conference System VLC Light Module

VLC Client Module

Conference System

8

LED Indoor Positioning System

Jerry is here

ID-1 ID-2 ID-3 ID-4 ID-5

Remote Management

System

Indoor Positioning System

LED Lighting/Positioning Module

VLC Rx

You are here

Different LED VLC can transmit different ID

Each person and management center can get where you are simultaneously

The accuracy of LED positioning is <1 m

Jerry

Management Central

9

ITRI VLC Indoor Positioning Platform & Field Trial

Area of VLC Indoor Positioning Platform covers our lab and corridor

Wearable VLC Positioning Module

VLC Module

Remote Management System Lab

Corridor

Remote Manage. System

Management System of ITRI VLC Indoor Positioning

Data1 & Control

Light2 Monitor

Data3 & Control

Light3 Monitor

Staff Scheduling

LED Lamp Management

Route Record & Analysis

Staff List

Indoor Map Management

11

Far-Eastern T-Park VLC Positioning Provide Check-In Function

– Security guards can automatically complete check in as passing through VLC LED

– Security guard management system can automatically achieve the patrol management and improve the efficiency

Security Guard Management in Far-Eastern Telecom Park

Jerry is here ID-1 ID-2 ID-3 ID-4 ID-5

Security Guard Management

LED Lighting/Positioning Module

VLC Check-In System

Jerry

VLC Rx Rx Module

Rx Module

Hospital VLC

Ward Location Identification

Broadband VLC

ER Treatment Route Record

Hospital hopes to improve the efficiency of “doctor rounds” Using VLC to detect the location of doctor & auto-download the patient information

Hospital hopes to record the emergency route to verify the emergency SOP is correct Using VLC to achieve location-identification & treatment route record

Hospital Location Aware & Auto Information Download

Remote Server

Po

sitio

nin

g ID

#1

Po

sitio

nin

g ID

#2

PositioningVLC

Broadband VLC

PositioningVLC

Broadband VLC

Auto-download

110 010 101 010 001

Auto-download

VLC Positioning Detect the Doctor

RF RF

Patient A Information

Patient B Information

A B

101 011 001 110 011

Auto-download Patient Information

Technology iBeacon VLC

Accuracy 0.3m ~ 5m < 1m

Interference Sensitive (2.4~2.48GHz)

Not Sensitive (430~750THz)

Data Rate <1Mbps >100Mbps

Installation Complex Need a planning tool

Simple Build with LED Lamp

Manage. Complex (Need Battery)

Simple (No Battery)

Detect the doctor location then automatically transmit the patient information

• Comparison of Positioning Technology

Hospital Emergency Treatment Route Record

管道間

管道間 Urgent Treatment Room

Emergency Door

Elevator

Elevator

Computerized Tomography

MRI

Endotracheal Intubation

1F

B1

15

VLC App

ITRI VLC Smart Phone

VLC LED＋VLC Smart Phone

101100001111

10

11

00

00

11

11

VLCLighting

Signal

VLC Smart Phone

CMOS Image Sensor

16

ITRI Exhibition Room – VLC LBS

Booth#9 DM

VLC App shows the Location & DM

Booth#1 DM

VLC Smart Phone

17

Thank You for Your Attention