Vol. 20 No. 1 (2021)

Regular Papers

• Deduction of Electric Field Module in a Multilayer of Isotropic Materials to Detect Surface Plasmons with a Graphical User Interface

  B. G. Suan, J. Y. M. Perico

  1-15

  • pdf

• Analysis of the Resonator Element in Different Positions in the Circular Patch Microstrip Antenna

  A. M. Lima, J. V. de Freitas, O. P. Lavor

  16-29

  • pdf

• FD MAC Protocol Design for Co-Existing WLANs in 5G Cellular Networks

  S. Diakite, F. M. Rizo, S. Y. M. Bandiri

  30-59

  • pdf

• Omni-Directional Wideband Antenna Array with Solar Cells

  N. Ullah, A. Tekin

  60-75

  • pdf

• Mathematical Analysis and Improvement of the Maximum Spatial Eigenfilter for Direction of Arrival Estimation

  R. P. Lemos, H. V. L. Silva, E. L. Flores, J. A. Kunzler

  76-91

  • pdf

• Damped Jacobi Methods Based on Two Different Matrices for Signal Detection in Massive MIMO Uplink

  A. Naceur

  92-104

  • pdf

• Bandwidth Enhancement of Microstrip Patch Antenna Using Metasurface

  F. F. de Araújo, A. L. P. Siqueira, R. V. Andrade, A. Gomes Neto, A. G. d'Assunção

  105-117

  • pdf

• Passively Q-Switched Pulses Generation from Erbium-Doped Fiber Laser Using Lutetium Oxide as Saturable Absorber

  N. A. Mohamed, B. A. Hamida, T. Eltaif, A. A. A. Jafry, S. W. Harun

  118-125

  • pdf

• Non-Ionizing Radiation Analysis in Close Proximity to Antenna Tower: A Case Study in Northeast Brazil

  A. B. F. Diniz, V. A. Souza Jr, M. E. C. Rodrigues, H. B. Mendonça, G. S. Silva, F. S. R. Pinheiro

  126-142

  • pdf

• IEEE 802.11b/g Practical Assessment Using a Low-Cost Quasi-Yagi Rectenna for Indoor RF Energy Harvesting

  V. S. Silva, H. P. Paz, E. V. V. Cambero, R. M. Vicentini, R. Martins, C. E. Capovilla, I. R. S. Casella

  143-157

  • pdf

• Characterization of Otto Chips by Particle Swarm Optimization

  A. L. P. da Silva, S. C. Oliveira, G. O. Cavalcanti, M. A. de Almeida Neto, M. R. N. dos Santos, I. Llamas-Garro, J-M Kim, G. F. Fernandes, E. Fontana

  158-172

  • pdf

• Low-Overhead Low-Complexity Carrier Phase Recovery Technique for Coherent Multi-Band OFDM-Based Superchannel Systems Enabled by Optical Frequency Combs

  F. K. Deynu, E. W. Akpari, C. Akama

  173-194

  • pdf

• A Parametric Study of Inductive SWIPT Systems Assisted by Metamaterial Using Virtual Magnetic TL-Based Channel Modeling

  J. V. de Almeida, E. C. da Silva, M. M. Mosso, C. A. F. Sartori

  195-207

  • pdf

• A Comparison Between Three- and Four-Coil Wireless Power Transfer Systems with Resonant Coils

  F. B. de Moraes, P. J. Abatti

  208-218

  • pdf