1. Department of Electrical and Electronics Engineering, Federal University of Santa Catarina, Santa Catarina, Florianópolis, Brazil
2. Instito Nacional de Telecomunicações - INATEL, Santa Rita do Sapucaí, State of Minas Gerais, Brazil
3. Centre for Wireless Communications, University of Oulu, Oulu, Finland
4. Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación, Universidad Tecnológica Metropolitana, Santiago, Chile
5. Department of Computer Science and Software Engineering, Concordia University, Montreal, QC, Canada