Výsledky vyhledávání - "Marcelo Molina Silva"

Akademický článek

Evaluation of OFDM Channel Sounding Techniques with Three Modulation Sequences

Autor: Marcelo Molina Silva, Luiz da Silva Mello, Carlos V. Rodríguez Ron, M. P. C. Almeida, Alexander B. Hilario Tacuri, Pedro Gonzalez Castellanos, L. H. Gonsioroski

Publikováno v: Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 18, Iss 4, Pp 505-529 (2019)

Abstract This paper presents an evaluation of multicarrier channel sounding techniques using different random and pseudo-random sequences to modulate the OFDM sounding signal. The Random (Rand), Pseudo-Noise (PN) and Zadoff-Chu (ZC) were tested, both

Externí odkaz: https://doaj.org/article/eb1091f301264f88b17cbdaf251b22e3

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[en] EVALUATION OF DETECTION ALGORITHMS OF SPECTRAL WHITE SPACES FOR COGNITIVE RADIO APPLICATIONS

Autor: MARCELO MOLINA SILVA

[pt] Com o desenvolvimento tecnológico no setor de telecomunicações, o espectro radioelétrico está quase totalmente ocupado com um grande número de múltiplas atribuições para os muitos serviços sem fio de aplicação comercial e, também, n

Externí odkaz: https://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35253@1
https://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35253@2

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Dissertation/ Thesis

EVALUATION OF DETECTION ALGORITHMS OF SPECTRAL WHITE SPACES FOR COGNITIVE RADIO APPLICATIONS

Autor: MARCELO MOLINA SILVA

Publikováno v: Repositório Institucional da PUC_RIOPontifícia Universidade Católica do Rio de JaneiroPUC_RIO.

PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE EXCELENCIA ACADEMICA
Com o desenvolvimento tecnológico no setor de telecomunicações, o espectro radioel

Externí odkaz: http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35253@1
http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35253@2

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Evaluation of OFDM Channel Sounding Techniques with Three Modulation Sequences

Autor: Carlos V. Rodriguez Ron, Leonardo H. Gonsioroski, Luiz da Silva Mello, P. V. G. Castellanos, M. P. C. Almeida, Marcelo Molina Silva, Alexander Beremiz Hilario Tacuri

Publikováno v: Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 18, Iss 4, Pp 505-529 (2019)
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Volume: 18, Issue: 4, Pages: 505-529, Published: 11 NOV 2019
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.18 n.4 2019
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO

This paper presents an evaluation of multicarrier channel sounding techniques using different random and pseudo-random sequences to modulate the OFDM sounding signal. The Random (Rand), Pseudo-Noise (PN) and Zadoff-Chu (ZC) were tested, both in labor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bfe4a766a3223f64b9807ae5a778f45
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742019000400505&tlng=en

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Wideband Channel Sounding Using Modulated OFDM Signals

Autor: Marcelo Molina Silva, Luiz da Silva Mello, P. V. G. Castellanos, V R Carlos Rodriguez

Publikováno v: 2018 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC).

This work presents a comparison of the results of measurements of average delay and RMS delay spread in an urban environment using different sequences of information for an OFDM channel sounding signal. The sequences evaluated are a random sequence,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f839dc13bb72b49a7ab7ef55240f3e7
https://doi.org/10.1109/apwc.2018.8503787

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Initial Results of Millimeter Wave Outdoor Propagation Measurements in a Campus Environment

Autor: Jussif J. Abularach Arnez, Luiz da Silva Mello, Carlos Eduardo Orihuela Vargas, Marcelo Molina Silva

Publikováno v: 2018 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC).

This paper presents results of outdoor measurements for a range of frequencies from 27 GHz to 40 GHz with steps of 1 GHz. Measurements were performed in PUC-RIO campus. Using a signal generator, a CW at 0 dBm was transmitted. Received power was measu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9e9b174934007ca63a712b0dc5b654c
https://doi.org/10.1109/apwc.2018.8503762

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Evaluation of white space detection algorithms for cognitive radio applications

Autor: Luiz da Silva Mello, Marcelo Molina Silva, Carlos V. Rodriguez Ron

Publikováno v: 2013 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC).

This article presents results of evaluations and comparisons of two detection algorithms for cognitive radio, the energy detection (ED) and spectral covariance sensing (SCS), using experimental data obtained in field measurement campaigns. The algori

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6022c4a1b2c0928cab4beb0afd7bd60
https://doi.org/10.1109/imoc.2013.6646568

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