Sandro Lanfranco received the M.Sc. degree in electrical engineering (with special focus onmicrowave theory and optoelectronics) from the Politecnico di Torino, Turin, Italy, in 1999. In 1998, he joined Nokia Networks, where he started to work on various aspects of radio hardware, focusing on PA design and architectures for base stations (BTSs). During his career with Nokia and Nokia Networks, Sunnyvale, CA, he has been involved with both product programs and research/innovation concepts. He belongs to the CTO/Research Organization, where he focuses on technologies enabling radio enhancements for macro/micro/pico/femto BTSs.