Clint Chaplin (c.chaplin@sisa.samsung.com)Samsung Electronics Challenge of NFC technology using Visible Light4th December, 2008Ecma/GA/2008/244 Ecma/TC47/2009/010

Part 1 : What is VLC ?VLC IntroductionVLC Application LED as Light Source for VLCVLC vs. RF characteristics Part 2 : VL (Visible Light)-NFCNFC ConceptNFC ApplicationWhy VL-NFC ?VL-NFC Characteristics ConclusionOutline

VLC (Visible Light Communication)New communication technology using Visible LightWavelength between ~400nm (750THz) and ~700nm (428THz)

General characteristic Visibility : Aesthetically pleasingSecurity : What You See Is What You SendUnregulated : No regulation in optical frequencyHealth : Harmless for human bodyNon-interference with other devices

VLC Introduction

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

Handheld device, Portable deviceCE, Kiosk, PrinterVLC Application

Application FunctionMobile to Mobile Contents-sharing Data transferMobile to Fixed File transfer Video streaming M-commerceInfrastructure to Mobile

Indoor Navigation Information-broadcast

VL vs. RF Characteristics

PropertyVL Comm.RF Comm.BandwidthUnlimited, 400nm~700nmRegulatory, BW LimitedEMINoYesLine of sightYesNoStandardBeginningMatured Power consumptionRelatively lowMedium Visibility securityYesNo InfrastructureLED IlluminationAccess Point MobilityLimitedYes Coverage, DistanceNarrow, ShortWide, Medium

Part 1 : What is VLC ?VLC IntroductionVLC Application LED as Light Source for VLCVLC vs. RF characteristics Part 2 : VL (Visible Light)-NFCNFC ConceptNFC ApplicationWhy VL-NFC ?VL-NFC Characteristics ConclusionOutline

Samsung Electronics Co., Ltd.*

10cm Communication Smart Card + S/W + RFIDFeature NFC Reader NFC Tag Peer to Peer CommunicationNFC Concept

Samsung Electronics Co., Ltd.*

KioskP2Pe-PosterTransportationPaymentNFC Application

Why VL-NFC ? VL-NFCExpansion of data rate capacity by not using frequency rangeHigh Data RateVisible SecurityUnregulatedWhat you see is what you sendNo regulation in communication frequencyVisibleSecurityVLNFCUnregulatedHighDataRate

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

Part 1 : What is VLC ?VLC IntroductionVLC Application LED as Light Source for VLCVLC vs. RF characteristics Part 2 : VL (Visible Light)-NFCNFC ConceptNFC ApplicationWhy VL-NFC ?VL-NFC Characteristics ConclusionOutline

Visible Light-NFC has unique properties that opens up new applications and uses for NFC High speedSafe for interference sensitive situationsVisible evidence of securityFree from current radio regulationConclusion

Thank you!

Q&A

****Those are test results in the respect of the BER at the different data rate.

We believe that the red color is the around 10^-9 BER. And 120Mbps case, we the each color *