Links Ericsson INDT, Institute of Technology Development Applied Electromagnetism Lab (Laboratório de Eletromagnetismo Aplicado) – LEA Institute for Systems and Computer Engineering of Porto (Instituto de Engenharia e Computadores do Porto) – INESCPORTO Post-Graduation Program in Electrical Engineering – UFPA (Programa de Pós-Graduação em Engenharia Elétrica da UFPA) – PPGEE/UFPA