Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Alvaro Augusto Machado de Medeiros"'
Autor:
Dick Carrillo Melgarejo, Luiz Quirino Rezende Da Costa Filho, Alvaro Augusto Machado De Medeiros, Carlos Lorena Neto, Fabricio Lira Figueiredo, Demostenes Zegarra Rodriguez
Publikováno v:
IEEE Access, Vol 10, Pp 33803-33815 (2022)
The growing demand for Internet of Things (IoT) applications in agribusiness increases the necessity of reliable and secure connectivity in rural areas. Thus, in the particular case of Brazil, some initiatives aim to take advantage of frequency bands
Externí odkaz:
https://doaj.org/article/e7614307dab8410187acdf9dfeb03266
Autor:
Vicente A. de Sousa, Alvaro Augusto Machado de Medeiros, Millena Michely de Medeiros Campos, Wellerson V. de Oliveira
Publikováno v:
IEEE Latin America Transactions. 19:1895-1902
This paper presents a statistical analysis of small-scale fading on static propagation environment due to the movement of people between antennas. We also analyze the influence of the antenna radiation pattern on narrowband-channel statistics. For th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7202dd1555e76e1397974430c68000ad
https://doi.org/10.1109/tla.2021.9475623
https://doi.org/10.1109/tla.2021.9475623
Autor:
Rafael Macêdo, Jose Martins de Castro Neto, Julian Wendel Ribeiro, Vicente A. de Sousa, Alvaro Augusto Machado de Medeiros, Millena Michely de Medeiros Campos
Publikováno v:
Brazilian Journal of Development. 7:35112-35118
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81e63725b52b205f35e2c932b00d8550
https://doi.org/10.34117/bjdv7n4-123
https://doi.org/10.34117/bjdv7n4-123
Autor:
Juliano J. Bazzo, Thiago A. Scher, Alvaro Augusto Machado de Medeiros, Pedro Maia de Santana, Vicente A. de Sousa
Publikováno v:
International Journal of Interdisciplinary Telecommunications and Networking. 13:42-50
Machine learning techniques applied to radio frequency (RF) signals are used for many applications in addition to data communication. In this paper, the authors propose a machine learning solution for classifying the number of people within an indoor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf693b2146dbbfb44a14f6d28bc4931f
https://doi.org/10.4018/ijitn.2021040104
https://doi.org/10.4018/ijitn.2021040104
Autor:
Allan Landau de Carvalho Hilgemberg, Juan Felipe Souza Oliveira, Thiago Goldoni Thomé, Mario A. R. Dantas, Carlos Alberto Mourão Júnior, Fabrício Martins Mendonça, Marcelo Quesado Filgueiras, Alvaro Augusto Machado de Medeiros
Publikováno v:
Brazilian Journal of Development. 7:20539-20550
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd5c529096c6ab00cd03b57f5d7470db
https://doi.org/10.34117/bjdv7n2-615
https://doi.org/10.34117/bjdv7n2-615
Autor:
Vicente Angelo de Sousa Junior, Daniel de L. Flor, Nibia Souza Bezerra, Jéssika C. da Silva, Alvaro Augusto Machado de Medeiros
Publikováno v:
Journal of Communication and Information Systems. 36:17-30
The Internet of Things (IoT) paradigm gains more importance each day, as the number and variety of connected devices grows. To answer the specific needs of IoT, many wireless network standards have been developed. An example is the LoRaWide Area Netw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8b36595f15a44f1579f6d92822915c8
https://doi.org/10.14209/jcis.2021.2
https://doi.org/10.14209/jcis.2021.2
Autor:
Iago De Almeida Oliveira, Luiz A. Corrêa, Alvaro Augusto Machado de Medeiros, Alexandre Bessa dos Santos, Eduardo Pestana de Aguiar, Daniel D. Silveira
Publikováno v:
Analog Integrated Circuits and Signal Processing. 106:577-592
This article discusses modern techniques of implementation of a wideband digital modulator in an FPGA kit for use in electrical engineering communications laboratory. Previous configurations proposed in literature present limitations, as lack of deta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f0655f507a0810da867d4266d7c8bde
https://doi.org/10.1007/s10470-020-01673-2
https://doi.org/10.1007/s10470-020-01673-2
Autor:
Pedro Maia de Santana, Millena Michely de Medeiros Campos, Vicente A. de Sousa, Alvaro Augusto Machado de Medeiros, Tarciana Cabral de Brito Guerra, Mateus de Oliveira Mattos
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 18:2321-2324
In this letter, we propose a machine learning solution for crowd-size classification in an indoor environment. Narrow-band radio frequency signals are used to identify a pattern according to the number of people. Experimental data collected by a low-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1aa06b0e3c610b12800751e8a2a47347
https://doi.org/10.1109/lawp.2019.2932076
https://doi.org/10.1109/lawp.2019.2932076
Autor:
Gabriel Iorio, Mario A. R. Dantas, José Maria N. David, Mateus Goncalo do Nascimento, Victor Ströele, Thiago Goldoni Thomé, Fabricio M Mendonças, Fernanda Campos, Alvaro Augusto Machado de Medeiros
Public primary healthcare environments are facing grand challenges related to digital transformations. This is reported from many studies, in several countries, and observed from diverse areas. The present war against the Covid-19 pandemic has shown
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3ded59c7ad0e800cc8b0fed135f709f
https://doi.org/10.21203/rs.3.rs-248050/v1
https://doi.org/10.21203/rs.3.rs-248050/v1
Autor:
Gabriel Iorio, Fabrício Martins Mendonça, Mario A. R. Dantas, Victor Ströele, Alvaro Augusto Machado de Medeiros, Fernanda Campos, Thiago Goldoni Thomé, José Maria N. David, Mateus Goncalo do Nascimento
Publikováno v:
ISCC
2020 IEEE Symposium on Computers and Communications (ISCC)
2020 IEEE Symposium on Computers and Communications (ISCC)
Digital transformation in e-health is a well-known challenge problem reported from several studies and from several dimensions. In addition, it has been verified a gap in the utilization of new technologies as differential tool in the war against the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88b4d5347b85d0ddcb77efaf8f3ed14e
https://doi.org/10.1109/iscc50000.2020.9219643
https://doi.org/10.1109/iscc50000.2020.9219643