doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802. 15-12-0164-00-wng0

Slide 1

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Submission Title: [Study Items for LED-ID Standardization]Date Submitted: [July, 2013]Source: [Yeong Min Jang*, Tuan Nguyen*, Nirzhar Saha*, and Jae Sang Cha**]Address [*Kookmin University, Seoul, Korea]

[**SNUT]Voice:[82-2-910-5068], FAX: [82-2-910-5068], E-Mail:[yjang@kookmin.ac.kr]

Re: []

Abstract: [Study Items for LED-ID Standardization]

Purpose: [Contribution to IEEE 802.15 IG-LED]

Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.

Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.

July 2013

Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

Contents

CamCom Based LED-ID

Data Continuity

A CamCom Application: LED-ID Based Digital Signage

Broadcasting Based LED-ID Networks

Use Case of Broadcasting LED-ID Networks: LBS

MIMO Concept

Conclusions

July 2013

Slide 2 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

CamCom Based LED-ID CamCom (Camera Communications) uses image sensor

within a camera for data reception.

Using one or multiple LEDs as source of data transmission.

July 2013

Slide 3 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

LED

User device

LED

User device

Without uplink With uplink

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

Data Continuity Fast link switching for mobility support under downlink

environment

Fast link switching and link recovery for seamless data

continuity.

Problem: signal differentiation in overlapping area.

July 2013

Slide 4 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

ServerServer

Mobile user

Transmitter #1 Transmitter #2 SenderReceiver

Relay node

Link switching

Link recovery

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

A CamCom Application: LED-ID Based Digital Signage

Digital signage employs a network

connection to deliver information,

entertainment, merchandising and

advertisement to digital displays.

Camera and LEDs are used for data

communication.

Optional Uplink: WiFi or Cellular or

IR

July 2013

Slide 5 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

Broadcasting Based LED-ID Networks Only downlink is deployed No need to change user devices’

hardware.

Use cases:• 2D and 3D Indoor localization

• Broadcasting services

July 2013

Slide 6 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

Streaming Server

10.0.0.4

10.0.0.2

10.0.0.5

10.0.0.3

Reader

IP Network

Data Server

Coordinator

10.0.0.10

123.42.15.8

95.10.20.7

(x1, y1, z1)

(x4, y4, z4) (x3, y3, z3)

(x2, y2, z2)

(xt, yt, zt)

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

Use cases of Broadcasting LED-ID Networks: LBS Based on downlink signals, readers can determine their

locations using a localization technique, such as cell-ID,

fingerprinting, and etc.

July 2013

Slide 7 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

… … ...… … ...

CoordinatorCoordinator

Tag #1Tag #1 Tag #2Tag #2 Tag #NTag #N

ReaderReader

IP Network

Data serverData server

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

MIMO Concept Each LED used as transmitting antenna.

Multiple detectors constituting receiver arrays are used for

reception.

July 2013

Slide 8 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0led

doc.: IEEE 802.15-xxxxx

Submission

doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0

Conclusions It is needed to consider the practical usage of LED-ID

networks for the standardization.

A call for contribution about use cases and requirements in

next meeting.

Acknowledgement: This work is done with the help of Dr. Richard D.

Roberts (Intel Labs, Oregon, USA) and Dr. Joachim W. Walewski

(Siemens AG, Munich, Germany)

Slide 9 Yeong Min Jang, Kookmin University

doc.: IEEE 15-13-0436-00-0ledJuly 2013