Search Results - "Mafra, Samuel B"

Cooperative Full-Duplex V2V-VLC in Rectilinear and Curved Roadway Scenarios by Cuba-Zúñiga, Diego, Mafra, Samuel B, Mejia-Salazar, J Ricardo

“…We study here the vehicle-to-vehicle (V2V) visible light communication (VLC) between two cars moving along different roadway scenarios: (i) a multiple-lane…”
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A Survey on the Impact of Intelligent Surfaces in the Terahertz Communication Channel Models by E Silva, Jefferson D S, Ribeiro, Jéssica A P, Adanvo, Vignon F, Mafra, Samuel B, Mendes, Luciano L, Li, Yonghui, de Souza, Rausley A A

“…Terahertz (THz) band will play an important role in enabling sixth generation (6G) envisioned applications. Compared with lower frequency signals, THz waves…”
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Power Control and Relay Selection in Cognitive Radio Ad Hoc Networks Using Game Theory by Lopez, Onel L. A., Sanchez, Samuel Montejo, Mafra, Samuel B., Fernandez, Evelio M. G., Brante, Glauber, Souza, Richard Demo

“…This paper employs game theory to optimize the performance of multiple secondary users (SUs) in a cognitive radio ad hoc network where the primary and SUs have…”
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OLP—A RESTful Open Low-Code Platform by da Cruz, Mauro A. A., de Paula, Heitor T. L., Caputo, Bruno P. G., Mafra, Samuel B., Lorenz, Pascal, Rodrigues, Joel J. P. C.

“…Low-code is an emerging concept that transforms visual representations into functional software, allowing anyone to be a developer. However, building a…”
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Detecting Compromised IoT Devices Through XGBoost by Cruz, Mauro A. A. da, Abbade, Lucas R., Lorenz, Pascal, Mafra, Samuel B., Rodrigues, Joel J. P. C.

“…The evolution and rapid adoption of the Internet of Things (IoT) led to a rise in the number of attacks that target IoT environments. IoT environments are…”
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Approximations for the product, ratio, and sum of α‐μ random variables with application in the analysis of cognitive radio networks by Leonardo, Elvio J., Mafra, Samuel B., Montejo‐Sánchez, Samuel, Fernández, Evelio M. G.

“…Summary Novel methods to approximate the probability density function of the product, ratio, and sum of α‐μ random variables are presented in this article. The…”
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A Low-Complexity Scheduler to Improve the Number of Satisfied Video Streaming Users in LTE by Pedroso, Carlos M., da Silva, Carlos A. Gouvea, Barbosa Junior, Joel A., Mafra, Samuel B.

“…The ongoing development of mobile communication networks has led to an expressive growth in capacity demand, mainly due to video streaming services, which…”
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On the performance of cognitive full-duplex relaying under spectrum sharing constraints by Mafra, Samuel B., Alves, Hirley, Costa, Daniel B., Souza, Richard D., G. Fernandez, Evelio M., Latva-aho, Matti

“…In this paper, a new full-duplex (FD) relaying scheme for a cooperative cognitive underlay network is proposed. The secondary network is composed of one…”
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On the performance of two‐user full‐duplex network‐coded cooperation by Mafra, Samuel B., Fernández, Evelio M. G., Montejo‐Sánchez, Samuel, Souza, Richard D., Rayel, Ohara K., Rebelatto, João L.

“…Summary In this paper, we propose two schemes based on a full‐duplex network‐coded cooperative communication (FD‐NCC) strategy, namely, full‐duplex dynamic…”
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On the Performance Analysis of a TensorFlow based Neural Network for Face Mask Detection by Costa, Victor L., Teixeira, Eduardo H., Mafra, Samuel B., Rodrigues, Joel J. P. C.

“…Technology has become crucial in applying measures to refrain diseases' spread. Thus, computer vision can be an essential tool in this combat. This paper…”
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Cognitive radio system with a two-user non-binary network-coded cooperative secondary network by Mafra, Samuel B., Rayel, Ohara K., Rebelatto, Joao L., Souza, Richard D.

“…We investigate the performance of a network coding based secondary network in a cognitive radio system under spectrum sharing constraints. The secondary…”
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Power-rate control with directional transmission and reception in a cognitive radio network by Montejo Sanchez, Samuel, Mafra, Samuel B., Souza, Richard D., Fernandez, Evelio M. G.

“…We study the benefits that antenna directivity and power control can bring to a cognitive radio ad hoc network, in terms of concurrent transmission…”
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