1. School of Engineering of São João da Boa Vista, São Paulo State University (Unesp), São João da Boa Vista 13876-750, Brazil
2. Center for Advanced and Sustainable Technologies, São Paulo State University (Unesp), São João da Boa Vista 13876-750, Brazil
3. Telecommunications and Microelectronics Integration Laboratory, École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada