Yamamoto, J. Sindi, has a degree in Electrical Engineering from the University of Brasilia-UnB, Master´s and Ph.D. degrees in Electrical Engineering from the University of Campinas-UNICAMP. He was a researcher at CPqD (1984-2005), professor at UNICAMP (1980-1984), visitant researcher at CSELT, Italy (1986) and the National University of Yokohama, Japan (1996). In 2003 he founded the Innovatech Telecom, where currently he works on R&D activities in Small Cells area. He is also a professor in the graduate course in embedded systems of the Salesian University of Campinas (UNISAL). In addition to small cells and embedded systems, his research interested area includes digital signal processing..