1. VS Telecom, São Paulo, Brazil
2. Laboratory Wireless and Optical Convergent Access (WOCA), National Institute of Telecommunications (Inatel), Santa Rita do Sapucaí, Brazil
3. CNR-IEIIT, Pisa, Italy
4. DECOM—University of Campinas, Campinas, Brazil
5. Scuola Superiore Sant’Anna, Pisa, Italy