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Dae-Ho Kim, ETRISlide 1

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

Submission Title: [VLC Use Cases using Automobile LED for Smart Driving]Date Submitted: [November, 2008]Source: [Dae-Ho Kim, Tae-Gyu Kang, Sang-Kyu Lim, Kwon-Hyung Lee, Tae-Wan Kim, Myung-Ae Chung, SungWon Sohn] Company [ETRI]Address [138 Gajeongno, Yuseong-gu, Daejeon, 305-700, Korea]Voice:[+82-42-860-5648], FAX: [+82-42-860-5611], E-Mail:[dhkim7256@etri.re.kr]

Re: [vlc_sg]

Abstract: [This document presents VLC use cases using automobile LED for smart driving]

Purpose: [To introduce VLC use cases using automobile LED for smart driving]

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.

doc.: IEEE 802.15-08-0799-00-0vlc

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VLC Use Cases using Automobile LED for Smart Driving

Dae-Ho Kim

dhkim7256@etri.re.kr

ETRI

November 2008

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Contents

• Automotive lighting

• LED at Automobile

• VLC use cases using automobile LED for smart driving

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Automotive lighting

• Forward illumination– Headlamps

• Low beam, High beam– Assistant lamps

• Driving lamps, Rally and off-road lamps, Fog lamps, Cornering lamps, Spot lighting

• Signaling devices– Stop lamps (Break lamps)– Centre High Mount Stop lamp– Turn signal – Reversing lamps

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LED lamps at Automobile

• Centre High Mount Stop Lamps (CHMSL)– First application of LED at Automobile

• Stop lamps (Break lamps)– Fast lighting then incandescent bulbs

• Turn signal• Head lamps recently

Dae-Ho Kim, ETRI

*www.hyundai-motor.com

November 2008

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How can we use LED lamps for VLC at automobile ?

• Vehicle-to-vehicle communication– Information exchange– Auto driving by following the car ahead

• LED traffic light to vehicle communication– Idle stop– Car black box

• LED signboard to vehicle communication– Vehicle condition indication– Service information– Advertisement

Dae-Ho Kim, ETRI

November 2008

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Vehicle-to-vehicle VLC with an unknown driver

• Information exchange using the voice communication– Exterior device condition which driver is unaware – Ask a way

• Speed information– Reduction of speed by sudden stop of car ahead– Traffic information map

Dae-Ho Kim, ETRI

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VLC mesh network

• Traffic information exchange– Mesh network by

automobile

What’s a problem?

I don’t know!!

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Vehicle-to-vehicle VLC with a companion

• Navigation information– Direction information– Best route

• Sharing entertainment– Movie, music and so on

• Auto driving by following the car ahead– Speed, turn information

Dae-Ho Kim, ETRI

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LED traffic light to vehicle communication using VLC

• Idle stop– Receive the red light interval from LED

traffic light and save gas

• Car black box– Save the traffic signal information.– Check the stored data after car accident.

Dae-Ho Kim, ETRI

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Signboard communication at the Gas station

• Service information– Oiling amount, price– Fuel efficiency– Possible mileage according to oiling

amount and fuel efficiency

• Vehicle Condition– Maintenance information

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Signboard communication on the road

• Interworking with Navigation system– Traffic information– change a route

• Advertisement on public transportation– display on the monitor in the bus or taxi.

Advertisement

Road conditioninformation

TRAFFIC JAM10 MILE AHEAD

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Considerations

• Is there any kind of barrier?

• What application can be realized only by VLC?

• What can be the VLC Killer application?

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Next Step

• System requirements for Automobile VLC

• MAC/PHY requirements for Automobile VLC

November 2008