1. Clint Chaplin (c.chaplin@sisa.samsung.com) Samsung Electronics Challenge of NFC technology using Visible Light 4 th December, 2008 Ecma/GA/2008/244 Ecma/TC47/2009/010

2. Part 1 : What is VLC ? VLC Introduction VLC Application LED as Light Source for VLC VLC vs. RF characteristics Part 2 : VL (Visible Light)-NFC NFC Concept NFC Application Why VL-NFC ? VL-NFC Characteristics Conclusion Outline

3. VLC (Visible Light Communication) New communication technology using Visible Light Wavelength between ~400nm (750THz) and ~700nm (428THz) General characteristic Visibility : Aesthetically pleasing Security : What You See Is What You Send Unregulated : No regulation in optical frequency Health : Harmless for human body Non-interference with other devices visibleIRUV 700nm400nm100μm RF 3cm 1m 1nm 428THz750THz3THz10GHz 300MHz 300PHz 1mm 300GHz IrDA TC 48 802.15.3c THz VLC 802.11 802.16 VLC Introduction

4. LED as Light Source for VLC Light Emitting Diode (LED) Small Relatively Long life More efficient Low power consumption Relatively faster response time Difficult to damage with external shock High tolerance to humidity Minimal heat generation Source: Credit Suisse, 2006.11.2 Brightness / Power ratio Cost / Brightness ratio Incandescent Lamp Halogen Lamp HID (High-Intensity Discharge) Fluorescent Lamp LED Performance and Price comparison 2003 2005 2010 2015 50100 150 0 1 10 100

5. Application Function Mobile to Mobile Contents-sharing Data transfer Mobile to Fixed File transfer Video streaming M-commerce Infrastructure to Mobile Indoor Navigation Information-broadcast Handheld device, Portable device CE, Kiosk, Printer VLC Application

6. PropertyVL Comm.RF Comm. BandwidthUnlimited, 400nm~700nmRegulatory, BW Limited EMINoYes Line of sightYesNo StandardBeginningMatured Power consumptionRelatively lowMedium Visibility securityYesNo InfrastructureLED IlluminationAccess Point MobilityLimitedYes Coverage, DistanceNarrow, ShortWide, Medium VL vs. RF Characteristics

7. Part 1 : What is VLC ? VLC Introduction VLC Application LED as Light Source for VLC VLC vs. RF characteristics Part 2 : VL (Visible Light)-NFC NFC Concept NFC Application Why VL-NFC ? VL-NFC Characteristics Conclusion Outline

8. Samsung Electronics Co., Ltd.7 10cm Communication Smart Card + S/W + RFID Feature NFC Reader NFC Tag Peer to Peer Communication Mode NFC Concept

9. Samsung Electronics Co., Ltd.8 Kiosk P2P e-Poster Transportation Payment NFC Application

10. Why VL-NFC ? VL-NFCVL-NFC Expansion of data rate capacity by not using frequency range High Data Rate Visible Security Unregulated What you see is what you send No regulation in communication frequency Visible Security VLNFC Unregulated High Data Rate

11. 120 Mbps 240 Mbps 320 Mbps -log (BER) VL-NFC Characteristics High data rate (Link performance)

12. Part 1 : What is VLC ? VLC Introduction VLC Application LED as Light Source for VLC VLC vs. RF characteristics Part 2 : VL (Visible Light)-NFC NFC Concept NFC Application Why VL-NFC ? VL-NFC Characteristics Conclusion Outline

13. Visible Light-NFC has unique properties that opens up new applications and uses for NFC High speed Safe for interference sensitive situations Visible evidence of security Free from current radio regulation Conclusion

14. Thank you! Q&A