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Conference Paper: Dual use of LED traffic signal system

TitleDual use of LED traffic signal system
Authors
KeywordsLED
Traffic light
Wireless communication
Issue Date1999
PublisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml
Citation
The 1999 Current Developments in Optical Design and Optical Engineering VIII, Denver, CO, 19-21 July 1999. In Proceedings Of Spie - The International Society For Optical Engineering, 1999, v. 3779, p. 126-136 How to Cite?
AbstractThe dual use, signaling and communication, of LED traffic signal system is described and analyzed. The primary function of a traffic light system is to give traffic and pedestrian signals. A prototype of LED traffic signal head is developed to perform a secondary function: communication. A wireless communication link is set up using the LED traffic signal head as the transmitter. The LEDs are modulated to transmit information-carrying light. The receiver uses a silicon photodiode to detect the transmitted radiation. Using visible light as the transmission medium, a 1 Mbit/s wireless data link is obtained.
Persistent Identifierhttp://hdl.handle.net/10722/46196
ISSN

 

DC FieldValueLanguage
dc.contributor.authorTam, YYen_HK
dc.contributor.authorMan, CWen_HK
dc.contributor.authorYang, Den_HK
dc.contributor.authorCheung, SWen_HK
dc.contributor.authorYang, ESen_HK
dc.date.accessioned2007-10-30T06:44:34Z-
dc.date.available2007-10-30T06:44:34Z-
dc.date.issued1999en_HK
dc.identifier.citationThe 1999 Current Developments in Optical Design and Optical Engineering VIII, Denver, CO, 19-21 July 1999. In Proceedings Of Spie - The International Society For Optical Engineering, 1999, v. 3779, p. 126-136en_HK
dc.identifier.issn0277-786Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/46196-
dc.description.abstractThe dual use, signaling and communication, of LED traffic signal system is described and analyzed. The primary function of a traffic light system is to give traffic and pedestrian signals. A prototype of LED traffic signal head is developed to perform a secondary function: communication. A wireless communication link is set up using the LED traffic signal head as the transmitter. The LEDs are modulated to transmit information-carrying light. The receiver uses a silicon photodiode to detect the transmitted radiation. Using visible light as the transmission medium, a 1 Mbit/s wireless data link is obtained.en_HK
dc.format.extent618226 bytes-
dc.format.extent84273 bytes-
dc.format.extent84262 bytes-
dc.format.extent5169 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeimage/tiff-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xmlen_HK
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineeringen_HK
dc.rightsS P I E - the International Society for Optical Proceedings. Copyright © S P I E - International Society for Optical Engineering.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsCopyright 1999 Society of Photo-Optical Instrumentation Engineers.This paper was published in Current Developments in Optical Design and Optical Engineering VIII, Denver, Colorado, 19-21 July 1999, v. 3779, p. 126-136 and is madeavailable as an electronic reprint with permission of SPIE. One print or electronic copy may bemade for personal use only. Systematic or multiple reproduction, distribution to multiple locations viaelectronic or other means, duplication of any material in this paper for a fee or for commercial purposes,or modification of the content of the paper are prohibited.en_HK
dc.subjectLEDen_HK
dc.subjectTraffic lighten_HK
dc.subjectWireless communicationen_HK
dc.titleDual use of LED traffic signal systemen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0277-786X&volume=3779&spage=126&epage=136&date=1999&atitle=Dual+use+of+LED+traffic+signal+systemen_HK
dc.identifier.emailCheung, SW:swcheung@eee.hku.hken_HK
dc.identifier.emailYang, ES:esyang@hkueee.hku.hken_HK
dc.identifier.authorityCheung, SW=rp00102en_HK
dc.identifier.authorityYang, ES=rp00199en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1117/12.368202en_HK
dc.identifier.scopuseid_2-s2.0-0033340635en_HK
dc.identifier.hkuros52882-
dc.identifier.hkuros208697-
dc.identifier.volume3779en_HK
dc.identifier.spage126en_HK
dc.identifier.epage136en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridTam, YY=36934432300en_HK
dc.identifier.scopusauthoridMan, CW=36956600700en_HK
dc.identifier.scopusauthoridYang, D=7404800642en_HK
dc.identifier.scopusauthoridCheung, SW=7202472784en_HK
dc.identifier.scopusauthoridYang, ES=7202021229en_HK

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