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Conference Paper: Information technology based on visible leds for optical wireless communications

TitleInformation technology based on visible leds for optical wireless communications
Authors
Pang, G
KeywordsComputers
Issue Date2004
PublisherIEEE.
Citation
Ieee Region 10 Annual International Conference, Proceedings/Tencon, 2004, v. B, p. B395-B398 How to Cite?
DOI: http://dx.doi.org/10.1109/TENCON.2004.1414615
AbstractThis paper is on a novel use of lighting or signaling devices constructed by light-emitting diodes (LEDs). The idea is on their concurrent use for simultaneous signaling and communications. The visible light from LEDs can be modulated and encoded with audio or data signal. Hence, an LED indicator lamp or traffic light can become an information broadcasting device. Such a system made up of high brightness visible LEDs can provide the function of open space, wireless broadcasting of audio or data signal. An implemented system with experimental results is shown. A portable receiver is designed to demodulate the optically transmitted information. The distance for audio transmission of an LED traffic light can reach over 20m. The optical link employs intensity modulation with direct detection. This concurrent use of LEDs opens up many new applications. © 2004 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/45825
ISSN
0886-1420
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorPang, Gen_HK
dc.date.accessioned2007-10-30T06:36:22Z-
dc.date.available2007-10-30T06:36:22Z-
dc.date.issued2004en_HK
dc.identifier.citationIeee Region 10 Annual International Conference, Proceedings/Tencon, 2004, v. B, p. B395-B398en_HK
dc.identifier.issn0886-1420en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45825-
dc.description.abstractThis paper is on a novel use of lighting or signaling devices constructed by light-emitting diodes (LEDs). The idea is on their concurrent use for simultaneous signaling and communications. The visible light from LEDs can be modulated and encoded with audio or data signal. Hence, an LED indicator lamp or traffic light can become an information broadcasting device. Such a system made up of high brightness visible LEDs can provide the function of open space, wireless broadcasting of audio or data signal. An implemented system with experimental results is shown. A portable receiver is designed to demodulate the optically transmitted information. The distance for audio transmission of an LED traffic light can reach over 20m. The optical link employs intensity modulation with direct detection. This concurrent use of LEDs opens up many new applications. © 2004 IEEE.en_HK
dc.format.extent1955617 bytes-
dc.format.extent4353 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Region 10 Annual International Conference, Proceedings/TENCONen_HK
dc.rights©2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectComputersen_HK
dc.titleInformation technology based on visible leds for optical wireless communicationsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0886-1420&volume=2&spage=395&epage=398&date=2004&atitle=Information+technology+based+on+visible+LEDs+for+optical+wireless+communicationsen_HK
dc.identifier.emailPang, G:gpang@eee.hku.hken_HK
dc.identifier.authorityPang, G=rp00162en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TENCON.2004.1414615en_HK
dc.identifier.scopuseid_2-s2.0-27944472293en_HK
dc.identifier.hkuros106562-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-27944472293&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volumeBen_HK
dc.identifier.spageB395en_HK
dc.identifier.epageB398en_HK
dc.identifier.scopusauthoridPang, G=7103393283en_HK
dc.identifier.issnl0886-1420-

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