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

1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Request for a VLC interest group] Date Submitted: [November 2007] Source: [see next page] Company [] Address [] Voice:[], FAX: [], E-Mail:[etwon@samsung.com] Re: [] Abstract: [] Purpose: [formation of interest group] 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. Eun Tae Won, Samsung

2. Look Who’s Coming Visible LightCommunications 2007. 11. 12 Telecommunication R&D Center Global Standards & Research Lab. Eun Tae Won, Samsung

3. Contents • Information Broadcasting of VLC • Experimental setup • Feasibility Test • LED as a light source • Network Access • Technical Fields to be discussed • Technical Issues • Conclusion – Look what’s coming • Title : Look who’s coming – VLC • Contents • Ubiquitous connectivity • New Idea for the Communication? • Introduce of the VLC • Application scenario • Peripheral Interface of VLC • Basic experimental setup • Feasibility Test Eun Tae Won, Samsung

4. Existing or Being everywhere at the same time • Ubiquitous Connectivity Let there be LIGHT !! Eun Tae Won, Samsung

5. Power consumption Health Regulation Price Eye safety Mobility Security Convenience Invisibility High Speed • Invisibility • Multimedia • Eavesdropping • Frequency restriction • Low price • Human body safe • Eye safety regulation • Low power consumption • Ease to use • Using it everywhere • New Idea for the Communication? There is a large range of new opinion on these consideration. Eun Tae Won, Samsung

6. Bandwidth Bandwidth Security Security 1nm 1nm UV UV UV UV 380nm 380nm visible visible visible visible 780nm 780nm IR IR IR IR 100 100 m m μ μ 3c 3c m m RF RF RF RF 1m 1m Coverage Mobility • Introduce of Visible Light Communication • High speed communication using Visible Light from the LED Visible Light Communication Eun Tae Won, Samsung

7. Introduce of Visible Light Communication • Visible Light Communication is one of the newest communication technology using "Visible Light". • Visibility : Aesthetically pleasing environment • Security : What You See Is What You Send. • Health : Harmless for human body and electronic devices • Unregulated : no room to use more radio frequency • Using inside the aircraft, spaceship, hospital, etc… • Eye safety : regulation Eun Tae Won, Samsung

8. Private Peripheral Information Interface Public Information Information Broadcast • Application Scenario of VLC • Private information • information-oriented society • While some welcome, other fear. • Violate personal information • Protect the privacy right. • Data can be confirmed by your eye • Public Information • information-oriented society, Deluge of information • You can choose the information • Your Needs & Your Will • Whenever, wherever, whatever you want. Eun Tae Won, Samsung

9. Peripheral Interface Information Broadcast SAMSUNG Korean Chinese English • Application Scenario of VLC • Mobile toMobile • Mobile toMultimedia • Keyless door entry • ID check • E-payment • Sign Board • E-book • ITS • Airplane • Museum • Product Info. Eun Tae Won, Samsung

10. Peripheral Interface of VLC • Peripheral Interface • For the portable mobile device. • Can transmit/receive the digital data using the visible light. • visible TX in a USB dongle, PDA and etc. • Visible Light Communication visualizes the communication pathway. • Feasibility of Peripheral Interface. • Coverage, Distance & Ambient light effect. • Multi-color features at higher speeds will expand its market potential. Eun Tae Won, Samsung

11. Distance TX RX lens RX TX lens lens free free Silicon PD LED PIN PD space space TIA Coverage detected data data pattern Error Error Detector Detector Pattern Pattern Generator Generator • Basic Experimental Setup Eun Tae Won, Samsung

12. Feasibility Test (PDA-PC/PC-PC visible link) Eun Tae Won, Samsung

13. Information Broadcasting of VLC • Information Broadcasting system • Normal function as indication and illumination devices • Can be used as communication devices for transmitting & broadcasting digital information. • Message Board • E-book • Sign Board • ITS (intelligent Transport System) • Feasibility of Information Broadcasting system - based on signboard. • Using 4 LED array modules ★ • Distance and Coverage of Transmission - might be improved as all of RGB LEDs could be modulated. Picture source: ★ LED Magazine Eun Tae Won, Samsung

14. Experimental setup (with, w/o ambient) ~ 50,000 Lux (Outdoor environment) Eun Tae Won, Samsung

15. … … … … … … … … … … … … … … … … … … … … • Feasibility Test (visible signboard) 4 modules 1 module 38 cm 38 cm • Red LED : 16 x 16 • Green LED : 16 x 16 Eun Tae Won, Samsung

16. Power line Lamp Electrical Signal PLC Modem Power line PLC Modem Visible light Power line communication • Network Access • PLC (Power Line Communication) : other application scenario • A kind of communication system using electric power lines Eun Tae Won, Samsung

17. Revenue($ Million) Year • LED as a Light Source • faster response times. • small • Light-Emitting Diode (LED) : • A semiconductor diode that emits incoherent light when electrically biased. • energy-saving / more efficient • difficult to damage with external shock • LED market growth : [ Visible LED Application ] Visible LED Market Forecast Growthin the high brightness LED Market Source : Strategies Unlimited 2005 Source : LED Magazine March 2007 Eun Tae Won, Samsung

18. Technical Fields to be discussed Eun Tae Won, Samsung

19. Network Access Plan Eye Safety Ambient Light Relatively Low Responsivity of PD • Technical Issues Eun Tae Won, Samsung

20. Conclusion – Look What’s Coming • Introduce VLC as a new communication • Application scenario using VLC • Define 2 type of information. • Peripheral Interface • Information Broadcasting • Feasibility Test • Other side • Light source (LED), Network access (PLC application) • Technical Field to be discussed • Technical Issues Eun Tae Won, Samsung

21. Other Interested Parties • SIEMEMS • France Telecom • Oxford University • ETRI • VLCC Eun Tae Won, Samsung

22. END THANK YOU ! Eun Tae Won, Samsung