Výsledky vyhledávání - "Rafael, M. S."

A Design Methodology for A Simple and Efficient Dimmable Ac-Dc Flyback Converter with Visible Light Communication Support

Autor: Rafael M. S. Brier, Henrique A. C. Braga, Marlon L. G. Salmento, Guilherme Marcio Soares, Pedro L. Tavares

Publikováno v: 2018 13th IEEE International Conference on Industry Applications (INDUSCON).

This paper describes step-by-step guidelines concerning the design of a flyback-based offline LED driver intended to constitute a visible light communication system. The focus is on efficiency and simplicity. Some details are presented, in regard to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f473dda1e06654857f168e990bc93300
https://doi.org/10.1109/induscon.2018.8627248

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Energy Consumption Improvement based on Distance Adaptive Modulation in Optical Elastic Network

Autor: Danilo H. Spadoti, Sabi Yari Moïse Bandiri, Rafael M. S. Braga, Tales Cleber Pimenta

Publikováno v: EasyChair Preprints.

In this paper, a novel algorithm based on distance adaptive modulation routing spectrum assignment is presented. The shortest energy consumption Routing Spectrum Assignment (SEC-RSA) algorithm was developed, based on Distance Adaptive Modulation (DAM

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::394f78e373dbb05588aa905e549bd92f
https://doi.org/10.29007/qdd5

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Application of a flyback converter and variable pulse position modulation for visible light communication

Autor: Lucas Diniz, Jhulliane Amaral, Guilherme Marcio Soares, Rafael M. S. Brier, Marlon L. G. Salmento, Henrique A. C. Braga, Vinicius M. de Albuquerque

Publikováno v: 2017 Brazilian Power Electronics Conference (COBEP).

This paper proposes an initial study on Visible Light Communication (VLC) system consisting of a 20 W flyback converter operating in Continuous Conduction Mode (CCM) with dimmable capability over the range of 20–80%. The paper uses the VPPM (Variab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2243b54bfe0e57c84f21b0394393b9ff
https://doi.org/10.1109/cobep.2017.8257278

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ANALYTICAL COMPARISON OF THE PERFORMANCE OF ADAPTIVE MODULATION AND CODING IN WIRELESS NETWORK UNDER RAYLEIGH FADING

Autor: Rafael M. S. Braga, Sabi Yari MoÃ¯se Bandiri, Danilo H. Spadoti

Publikováno v: Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Volume: 16, Issue: 3, Pages: 723-735, Published: SEP 2017
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 16, Iss 3, Pp 723-735
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.16 n.3 2017
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO

The aim of this work is to perform an analytic comparison between adaptive modulation (AdM) and adaptive Forward Error Correction (AdFEC) in wireless network telecommunication systems. Through the Gilbert-Elliott model’s, the Packet Error Rate (PER

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f53b05a76887a12b7dbcdbde1ac11cc
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742017000300723&lng=en&tlng=en

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Energy consumption improvement based on distance adaptive modulation in elastic optical network

Autor: Rafael M. S. Braga, Tales Cleber Pimenta, Danilo H. Spadoti, Sabi Yari MoÃ¯se Bandiri

Publikováno v: 2017 International Caribbean Conference on Devices, Circuits and Systems (ICCDCS).

In this paper, the novel shortest energy consumption Routing Spectrum Assignment (SEC-RSA) algorithm based on Distance Adaptive Modulation (DAM) is introduced. According to the distance between source and destination for a determinate lightpath the m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d19d440e6a495d04c3920e381a9c59e5
https://doi.org/10.1109/iccdcs.2017.7959702

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ANÁLISE DO TRATAMENTO DE ÁGUA E ESGOTO NO ESTADO DO TOCANTINS

Autor: Paulo R. Sousa, Aurelio P. Picanço, Rafael M. S. Oliveira

Publikováno v: Periódico Eletrônico Fórum Ambiental da Alta Paulista. 9

Resumo: As questoes ligadas ao saneamento do meio ainda sao um grande desafio para a melhoria da saude publica da populacao. Dados demonstram que o Brasil possui graves problemas nessa area principalmente nas relacionadas a gestao de residuos solidos

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d03e7b3535913b0020abcc154b5dae2e
https://doi.org/10.17271/198008279112013691

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AVALIAÇÃO DA QUALIDADE DO ATERRO SANITÁRIO DE PALMAS – TO, UTILIZANDO A FERRAMENTA ÍNDICE DA QUALIDADE DE ATERROS DE RESÍDUOS – IQA

Autor: Rafael M. S. Oliveira, Rute C. Marinho

Publikováno v: Revista Nacional de Gerenciamento de Cidades. 1

RESUMO: O aumento populacional, a melhoria do poder aquisitivo e os novos habitos de consumo tem provocado um crescimento expressivo na quantidade de residuos solidos, o que evidencia maior preocupacao com a disposicao desses residuos. Aproximadament

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3570ceb24bdbfe06b9cfd05186472c4
https://doi.org/10.17271/23188472152013518

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