Repository logo
 
Publication

Transmission of signals using white LEDs for VLC applications

2016Conference object Open access
Simple item page
dc.contributor.authorLouro, Paula
dc.contributor.authorSilva, V.
dc.contributor.authorRodrigues, I.
dc.contributor.authorVieira, Manuel
dc.contributor.authorVieira, Manuela
dc.date.accessioned2019-03-12T14:11:07Z
dc.date.available2019-03-12T14:11:07Z
dc.date.issued2016
dc.description.abstractIn this paper an integrated wavelength optical filter and photodetector for Visible Light Communication (VLC) is used. The proposed application uses indoor warm light lamps lighting using ultra-bright white LEDs pulsed at frequencies higher than the ones perceived by the human eye. The system was analyzed using two different types the white LEDs, namely, phosphor and trichromatic based LEDs. The signals were transmitted into free space and the generated photocurrent was measured by the pin-pin photodetector based on a-SiC:H/a-Si:H. This device operates in the visible spectrum, allowing thus the detection of the pulsed white light emitted by the LEDs. However, as it also works as a visible optical filter with controlled wavelength sensitivity through the use of adequate optical biasing light, it is able to detect different wavelengths. This feature allows the detection of the individual components of the tri-chromatic white LED, which enlarges the amount of information transmitted by this type of white LED, when compared to the phosphor based LED. A capacitive optoelectronic model supports the experimental results and the physical operation of the device. A numerical simulation is presented.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLOURO, Paula; [et al] – Transmission of signals using white LEDs for VLC applications. Materials Today – Proceedings. Thessaloniki, Greece: Elsevier, 2016. ISSN 2214-7853. Vol. 3, N.º 3, pp. 780-787pt_PT
dc.identifier.doi10.1016/j.matpr.2016.02.009pt_PT
dc.identifier.issn2214-7853
dc.identifier.urihttp://hdl.handle.net/10400.21/9713
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://ac.els-cdn.com/S2214785316001474/1-s2.0-S2214785316001474-main.pdf?_tid=97992550-0af7-4a62-bbca-1a812b09e81a&acdnat=1552399847_fd6c39150b3bc16acec5240a527315b7pt_PT
dc.subjectAmorphous SiC technologypt_PT
dc.subjectOptoelectronicspt_PT
dc.subjectSpectral sensitivitypt_PT
dc.subjectWhite LEDspt_PT
dc.subjectVisible light communicationpt_PT
dc.subjectNumerical simulationpt_PT
dc.titleTransmission of signals using white LEDs for VLC applicationspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FEEA-ELC%2F120539%2F2010/PT
oaire.citation.endPage787pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage780pt_PT
oaire.citation.titleMaterials Today: Proceedingspt_PT
oaire.citation.volume3pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameLouro
person.familyNameVieira
person.familyNameVieira
person.givenNamePaula
person.givenNameManuel
person.givenNameManuela
person.identifier499161
person.identifier10792
person.identifier.ciencia-idE511-8C08-E606
person.identifier.ciencia-id9516-E25E-BB8E
person.identifier.orcid0000-0002-4167-2052
person.identifier.orcid0000-0002-6662-6220
person.identifier.orcid0000-0002-1150-9895
person.identifier.ridU-8346-2017
person.identifier.ridV-7860-2017
person.identifier.scopus-author-id8845716400
person.identifier.scopus-author-id36722787500
person.identifier.scopus-author-id7202140173
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication730dc3dd-73eb-428d-b3a6-430085e33585
relation.isAuthorOfPublicationbfde1937-ab0b-4dfc-b2a8-4614c3af3d15
relation.isAuthorOfPublicationb77c6785-9cfb-4cd4-90b5-c2b816bd7d11
relation.isAuthorOfPublication.latestForDiscoveryb77c6785-9cfb-4cd4-90b5-c2b816bd7d11
relation.isProjectOfPublicationfa222d64-88c7-4a9f-ab5d-f59e7fe0d62d
relation.isProjectOfPublication.latestForDiscoveryfa222d64-88c7-4a9f-ab5d-f59e7fe0d62d

Files

Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
Transmission_PLouro.pdf
Size:
419.69 KB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

ISEL - Eng. Elect. Tel. Comp. - Comunicações