Vol. 37 No. 1 (2022)

Published: 2022-02-18

Regular Papers

  • Performance of Polar Codes over Generalized Correlated Fading Channels

    Francisco Caio Parente de Barros, M.Sc., Flávia Camila Morais de Oliveira, M.Sc., Maria de Lourdes Melo Guedes Alcoforado, PhD, Waslon Terllizzie A. Lopes (Author)
    1-9
    DOI: https://doi.org/10.14209/jcis.2022.1

  • A New O-RAN Compression Approach for Improved Performance on Uplink Signals

    Marcos Davi Lima Silva, Leonardo Ramalho, Igor Almeida, Eduardo Medeiros, Miguel Berg, Aldebaro Klautau (Author)
    30-41
    DOI: https://doi.org/10.14209/jcis.2022.3

  • Digital TV Channel Prediction using Clustering Algorithms and Statistical Learning

    Daniel da Costa Vidal, Tadeu Ferreira, Pedro Castellanos (Author)
    52-60
    DOI: https://doi.org/10.14209/jcis.2022.6

  • Understanding Ransomware Actions Through Behavioral Feature Analysis

    Caio Carvalho Moreira, Claudomiro de Souza de Sales, Jr., Davi Carvalho Moreira (Author)
    61-76
    DOI: https://doi.org/10.14209/jcis.2022.7

  • New Reversible Data Hiding Algorithm Based on Edge Detection and PVO Mechanisms

    Thai-Son Nguyen, Hoang-Nam Tram (Author)
    77-85
    DOI: https://doi.org/10.14209/jcis.2022.8

  • Performance Assessment of DTN and VANET Protocols for Transmitting Periodic Warning Messages in High Vehicular Density Networks

    Alvaro Torres Amaya, Mauro Sergio Fonseca, Alexandre Pohl, Ricardo Lüders (Author)
    91-103
    DOI: https://doi.org/10.14209/jcis.2022.10

  • On the Uniqueness of the Quasi-Moment-Method Solution to the Pathloss Model Calibration Problem

    Hisham Abubakar Muhammed, Mr., Ayotunde Abimbola Ayorinde, Dr., Francis Olutunji Okewole, Engr., Michael Adedosu Adelabu, Dr., Ike Mowete (Author)
    109-120
    DOI: https://doi.org/10.14209/jcis.2022.12

  • Resource Allocation for Maximizing Spectral Efficiency in a Multiuser MFSK System

    Manish Sharma, Daniel Basso Ferreira (Author)
    121-131
    DOI: https://doi.org/10.14209/jcis.2022.13

  • Performances of 2r16APSK and DVB-S2 16APSK Modulations over a Two-Link Satellite Channel

    Dayan Adionel Guimarães (Author)
    132-139
    DOI: https://doi.org/10.14209/jcis.2022.14

  • Dual-band Polarization-independent Absorber Based on Resistive Frequency Selective Surface

    Anamaria Sena Maia, Antônio Luiz Pereira de Siqueira Campos, Maurício Weber Benjó da Silva, Ruann Víctor de Andrade Lira, Alfredo Gomes Neto (Author)
    168-174
    DOI: https://doi.org/10.14209/jcis.2022.17

  • On the Information Content of Predictions in Word Analogy Tests

    Jugurta Montalvão (Author)
    175-181
    DOI: https://doi.org/10.14209/jcis.2022.18

  • On Generating Monte Carlo Simulations of Underwater Acoustic Communication Systems with Application to Transmit Beamforming

    Denis Backer de souza, Vinicius M. Pinho, Rafael Chaves, Marcello L. R. Campos, José A. Apolinário Jr. (Author)
    182-194
    DOI: https://doi.org/10.14209/jcis.2022.19

  • Index Encoding and Antenna Selection in Multiuser Precoder Index Modulation MIMO Communication

    Azucena Duarte, João Alfredo Cal-Braz, Raimundo Sampaio Neto (Author)
    195-213
    DOI: https://doi.org/10.14209/jcis.2022.20

Letters

  • Video Quality Loss Model on Communication Networks: An Approach Based on Frame Loss

    Edemir Marcus Carvalho Matos, Thiago de Araujo Costa, Miércio Cardoso Alcântara Neto, Bruno Souza Lyra Castro, Fabricio de Souza Farias, Jasmine Priscyla Leite de Araujo, Fabrício José Brito Barros (Author)
    42-46
    DOI: https://doi.org/10.14209/jcis.2022.4

  • Spreading Factor Assignment Strategy for Coverage and Capacity Flexible Tradeoff

    Luiz Filho, Alvaro Medeiros, Jéssika Silva, VICENTE ANGELO DE SOUSA JUNIOR, Níbia Bezerra (Author)
    47-51
    DOI: https://doi.org/10.14209/jcis.2022.5

  • A New Approach for FSS Design in 3.5GHz Based on General Neural Network Model by using Multi-objective Sailfish Optimization Algorithm

    Nelson Mateus Santos, Miercio Neto, Jasmine Araujo, Fabricio Barros, Gervasio Cavalcante, Edemir Matos, Rafael Vieira (Author)
    86-90
    DOI: https://doi.org/10.14209/jcis.2022.9

  • User-Level Handover Decision Making Based on Machine Learning Approaches

    João Lima, Alvaro Medeiros, Eduardo Aguiar, VICENTE ANGELO DE SOUSA JUNIOR, Tarciana Guerra (Author)
    104-108
    DOI: https://doi.org/10.14209/jcis.2022.11

  • On Symmetric Channels and Codes Over the Quaternion Group

    Jorge P Arpasi (Author)
    140-144
    DOI: https://doi.org/10.14209/jcis.2022.15

Tutorial Papers

  • Spectrum Sensing A Tutorial

    Dayan Adionel Guimarães (Author)
    10-29
    DOI: https://doi.org/10.14209/jcis.2022.2

  • Empirical Mode Decomposition: Theory and Applications in Underwater Acoustics Theory and Applications in Underwater Acoustics

    Elio Pithon Sarno Filho, Anderson Damacena Santos, Henrique Moura Sinezio, Eduardo Furtado Simas Filho, Antônio Carlos Lopes Fernandes Jr, José Manoel de Seixas (Author)
    145-167
    DOI: https://doi.org/10.14209/jcis.2022.16