Vol 36 No 1 (2021) | Journal of Communication and Information Systems

Regular Papers

LoRa System for Monitoring and Facial Recognition

Vitor J. C. Rodrigues, Douglas F. Medeiros, Fabrício B. S. Carvalho, Waslon Terllizzie A. Lopes

1-16
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A Comparative Analysis of Undersampling Techniques for Network Intrusion Detection Systems Design

Bruno Riccelli Silva, Ricardo Jardel Silveira, Manuel Gonçalves da Silva Neto, Paulo Cesar Cortez, Danielo Gonçalves Gomes

31-43
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The Effective Secrecy Throughput for the Hybrid Wiretap Channel Analysis Based on a Measurement Campaign

Ândrei Camponogara, Moisés Vidal Ribeiro

44-51
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Performance Evaluation of MGfast Systems Over Coaxial Cables

Marx Freitas, Aline Ohashi, Diogo Acatauassu, João Weyl Costa, Eduardo Medeiros, Miguel Berg, Igor Almeida, André Cavalcante

52-61
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Conversion of Scattering Parameters to Time-Domain for Imaging Applications: Rules and Examples

marcelo bender perotoni, Claudio Jose Bordin Jr., Kenedy Marconi Geraldo dos Santos

62-69
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Coupling Impact Between a Radial Antenna and Guided Modes on Twisted-Pair Systems Operating in Millimeter-Wave

Brenda Sousa, Daynara Dias Souza, Gilvan Borges, Roberto Rodrigues, André Cavalcante, João Costa

75-84
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Cascade of Linear Predictors for Deconvolution of Non-Stationary Channels in Sparse and Antisparse Scenarios

Renan Brotto, Kenji Nose-Filho, Romis Attux, João Marcos Travassos Romano

90-99
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Lightweight and Secure Publish-Subscribe System for Cloud-Connected Ultra Low Power IoT Devices

Norisvaldo Ferraz Junior, Anderson A. A. Silva, Adilson E. Guelfi, Marcelo Teixeira de Azevedo, Sergio Takeo Kofuji

100-113
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MUSA Grant-Free Access Framework and Blind Detection Receiver

Guilherme Pedro Aquino, Tiago Cardoso Barbosa, Marwa Chafii, Luciano Leonel Mendes, Abdul Karim Gizzini

119-127
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Letters

Empirical Path Loss Model in City-forest Environment for Mobile Communications

Andre Augusto Pacheco de Carvalho, Iury Batalha, Miercio Alcantara, Bruno Castro, Fabricio Barros, Jasmine Araujo, Gervasio Cavalcante

70-74
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A Semi-Distributed Approach for Uplink Max-Min Energy Efficiency Optimization with Minimum User Satisfaction and Adjacency Constraints

Iran Mesquita Braga Jr., Francisco Rafael Marques Lima, Tarcisio Ferreira Maciel, Victor Farias Monteiro

85-89
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Transient Analysis of the Bias-Compensated LMS Algorithm

Rodrigo Marendaz Silva Pimenta, Newton Norat Siqueira, Mariane Rembold Petraglia, Diego Barreto Haddad

114-118
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Optimizing the Spectral Efficiency in mmWave Massive SU-MIMO Systems Using Hybrid Processing

Alvaro Javier Ortega

128-132
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Tutorial Papers

A Survey of LoRaWAN Simulation Tools in ns-3

Jéssika C. da Silva, Daniel de L. Flor, Vicente Angelo de Sousa Junior, Níbia Souza Bezerra, Alvaro A. M. de Medeiros

17-30
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